Linkedin. Mercury thermometers are designed utilizing the idea that mercury expands with heat. Medical Definition of mercury 1 : a heavy silver-white poisonous metallic element that is liquid at ordinary temperatures and used especially in scientific instruments —symbol Hg — called also quicksilver — see Chemical Elements Table In response to our understanding of the health concerns associated with mercury exposure, these types of thermometers usually use some type of liquid alcohol. Thermometer definition: A thermometer is an instrument for measuring temperature. The thermal expansion is the tendency of metal in which the volume of metal changes with the variation in temperature. A thermometer containing mercury for measurement of temperature. Was ist der Unterschied zwischen Alkohol- und Quecksilberthermometern? Oral and rectal thermometers: A conventional oral or rectal thermometer consists of a sealed glass tube containing a liquid such as mercury. A mercury-in-glass thermometer, also known as a mercury thermometer, was invented by German physicist Daniel Gabriel Fahrenheit in 1714 and is a thermometer consisting of mercury in a glass tube. High thermal conductivity, high sensitivity to temperature, and good visibility make mercury the best for liquid-filled Thermometers. Mercury is a dangerous metal. They are also safe, since they can withstand temperature extremes without breaking. Email. Noun 1. mercury thermometer - thermometer consisting of mercury contained in a bulb at the bottom of a graduated sealed glass capillary tube marked in degrees Celsius or Fahrenheit; mercury expands with a rise in temperature causing a thin thread of mercury to rise in the tube Mercury thermometers are distinguished by the silver color in the column. Thermometers in Physics | Definition, Types – Thermometry and Calorimetry. Was sind Alkoholthermometer? Breite Akzeptanz in medizinischen Kreisen gewann das Thermometer jedoch erst im Jahre 1868, als Carl Wunderlich eine Studie veröffentlichte, die dazu beitrug, den gesunden Körpertemperaturbereich des Menschen zu bestimmen. Example sentences with "capillary thermometers", translation memory. an instrument for measuring temperature, often a sealed glass tube that contains a column of liquid, as mercury, that expands and contracts, or rises and falls, with temperature changes, the temperature being read where the top of the column coincides with a calibrated scale marked on the tube or its frame. This thermometer is a thin glass tube with a silver tip and line inside. Digital thermometer synonyms, Digital thermometer pronunciation, Digital thermometer translation, English dictionary definition of Digital thermometer. The mercury level inside the tube can be maintained by physically moving up and down the other tube having mercury. A "traceable" thermometer can be used to calibrate any thermometer as long as the definition of metrological traceability is met (i.e., result plus uncertainty). means a product or component, other than a dry cell battery, of a product used for measuring temperature that contains mercury or a mercury compound intentionally added to the product or component. Definition of Mercury fever thermometer. The mercury-in-glass or mercury thermometer was invented by physicist Daniel Gabriel Fahrenheit in Amsterdam (1714). translation and definition "capillary thermometers", Dictionary English-English online. • MERCURY THERMOMETER (noun) The noun MERCURY THERMOMETER has 1 sense:. Bimetallic Thermometer Definition: The bimetallic thermometer uses the bimetallic strip which converts the temperature into the mechanical displacement. Another type is a digital thermometer, which uses electronics to … As used here, the word "traceability" always means "metrological traceability." Imprinted on the tube is a temperature scale. Calibrated marks on the tube allow the temperature to be read by the length of the mercury within the tube, which varies (nearly linearly) according to the temperature of the mercury. Use: Laboratory thermometers are used in laboratories to measure temperature. - Vergleich der wichtigsten Unterschiede. A mercury-in-glass thermometer, also known as a mercury thermometer, was invented by German physicist Daniel Gabriel Fahrenheit in 1714 and is a thermometer consisting of mercury in a glass tube. There is no official definition of "certified." https://www.thefreedictionary.com/mercury+thermometer, | 1686: Gabriel Daniel Fahrenheit, German physicist who invented the, | 1686: Gabriel Daniel Fahrenheit, German |physicist who invented the, In a joint effort between Environment Management (EM) and the QAD, for each, For example, in the process of writing this letter I did some research into surface sea temperatures (SST)--the first recording of which was made by Benjamin Franklin in the Gulf Stream in the late eighteenth century using a, This was one of only a few examples known to exist from the great Dutchman who invented the, 1686: Gabriel Daniel Fahrenheit, German physicist who invented the, Working with Federal Aviation Administration supplied thermometers in the early 1980s, our tolerance was +/- 1 degree when putting a new, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Management of Mercury Waste in an Institution of Sao Paulo State Health Secretary, the Case of Butantan Institute, Partnering for a world free of mercury: efforts against mercury pollution will gain strength under a new UN treaty, FOCUS ON SIGNED THERMOMETER; TREASURE TV's JAMIE BREESE answers your questions on antiques & collectables Visit www.facebook.com/jamiebreesetv Hunters, Mercury Sodium Atmosphere Spectral Imager, Mercury Surface, Space Environment, Geochemistry and Ranging, Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto. Calibrated marks on the tube allow the temperature to be read by the length of the mercury within the tube, which varies (nearly linearly) according to the temperature of the mercury. Sample 1. Twitter. A thermometer is a device that measures temperature or a temperature gradient (the degree of hotness or coldness of an object). Schlüsselbegriffe: Alkohol, Alkoholthermometer, Quecksilber, Quecksilberthermometer, Sensor, Temperatur, Thermometer. Meaning of mercury thermometer. c. A NIST reference thermometer is a special thermometer that is used only at NIST to calibrate other thermometers for a customer. Share. 1. thermometer consisting of mercury contained in a bulb at the bottom of a graduated sealed glass capillary tube marked in degrees Celsius or Fahrenheit; mercury expands with a rise in temperature causing a thin thread of mercury to rise in the tube Laboratory Thermometers. Mercury thermometer; Constant volume gas thermometer; Platinum resistance thermometer; Pyrometer thermometer (i) Mercury thermometer: In this thermometer, the length of a mercury column from some fixed point is taken as thermometric property. Reddit. In the year 1714, the physicist and engineer Gabriel Fahrenheit Created the first thermometer that used mercury instead of water, as it expanded and contracted more quickly. Older thermometers contain mercury. It consists of a bulb containing mercury attached to a glass tube of narrow diameter; the volume of mercury in the tube is much less than the volume in the bulb. Non-mercury thermistors are accurate but have a … Mercury is a toxic chemical, which if released could contaminate the body as well as surrounding areas, rendering it unsafe. * Accuracy: Out of all the liquid-filled Thermometers, the mercury-filled ones are the most accurate. Warnings. It is considered the safest way to … In a mercury thermometer, a glass tube is filled with mercury and a standard temperature scale is marked on the tube. Most Common Uses. Enrich your vocabulary with the English Definition dictionary Mercury is used in thermometers because it expands when it is heated. A capillary-tube thermometer ensures very high precision. When the temperature rises or falls, the mercury expands or contracts, causing it to move up or down the scale inside a tiny passageway. Mercury thermometer is a type of thermometer that uses a bulb filled with mercury as the temperature sensor. Types of thermometer. The volume of mercury changes slightly with temperature; the small change in volume drives the narrow mercury column a relatively long way up the tube. translation and definition "mercury thermometer", English-Arabic Dictionary online. The non-mercury platinum resistance thermometer is as accurate as mercury-containing thermometers through a wide temperature range. Mercury thermometers can be used to determine body, liquid, and vapor temperature. The space above the mercury may be filled with nitrogengas or it may b… Mercury fever thermometer means a mercury-added product that is used for measuring body temperature. Medical doctors often use a version known as the maximum mercury thermometer to measure human body temperature. A mercury thermometer is a tool used to measure temperature. Interesting fact: Dating back to the 1600's, thermometers were filled with Brandy instead of mercury. In a mercury or alcohol thermometer, the liquid expands as it is heated and contracts when it is cooled, so the length of the liquid column is longer or … These liquid thermometers are based on the principal of thermal expansion. A thermometer is a device for measuring temperature, usually one that works by the expansion of a column of fluid. High thermal conductivity, high sensitivity to temperature, and good visibility make mercury the best for liquid-filled Thermometers. Cooling is the preferred method. Sample 3. Mercury thermometers cannot measure temperatures below this point. Medical Definition of thermometer : an instrument for determining temperature that usually consists either of a device providing a digital readout or of a glass bulb attached to a fine tube of glass with a numbered scale and containing a liquid (as mercury or colored alcohol) that is sealed in and rises and falls with changes of temperature COBUILD Key Words for Mechanical Engineering . A thermometer is a tool that measures temperature — how hot or cold something is. Alcohols, such as ethanol, boil at about 78 degrees Celsius (172 degrees Fahrenheit). Thermometric Property | Definition, Formulas, Properties – … Mercury definition is - a Roman god of commerce, eloquence, travel, cunning, and theft who serves as messenger to the other gods. Thermometers with a red or blue color most likely contain alcohol, not mercury. n. An instrument for measuring temperature, especially one having a graduated glass tube with a bulb containing a liquid, typically mercury … Open Split View. What does mercury thermometer mean? Basal thermometers (highly sensitive thermometers placed under the tongue or in the rectum to measure slight temperature changes indicating that ovulation has taken place in a woman). on the path to systematic vocabulary improvement. However, glass is very fragile, which means, it can easily become broken. Legal Considerations. This type can be used either orally, which is to say slipped under the tongue, or rectally. thermometer definition in English dictionary, thermometer meaning, synonyms, see also 'clinical thermometer',gas thermometer',resistance thermometer',dry-bulb thermometer'. If a mercury thermometer breaks or leaks, it can release toxic vapors. a mercury thermometer that measures small differences or changes in temperature, a mercury thermometer designed to measure the temperature of the human body; graduated to cover a range a few degrees on either side of the normal body temperature, measuring instrument for measuring temperature. Definition of mercury thermometer in the AudioEnglish.org Dictionary. With changes in temperature, the mercury expands and contracts, and the temperature can be read from the scale. In the past, mercury (MER-kure-e) thermometers were used. Sign up. Different Types of Thermometers: Some different types of thermometers are given below. Definition of mercury-in-glass thermometer in the Definitions.net dictionary. Both laboratory and clinical studies show that there is no significant difference in the average accuracy of the two types of thermometers, however there is a greater fluctuation of readings of temperature when using electronic thermometers. If you have a mercury thermometer, don't throw it in the trash. One type of thermometer is a narrow, concealed glass tube containing mercury or alcohol which extends along the tube as it expands. In the early 21st century, mercury thermometers were supplanted by electronic digital thermometers, which were more accurate and did not contain toxic mercury. For broader coverage of this topic, see Temperature measurement. Thermometers (Mercury) Definition. 1. thermometer consisting of mercury contained in a bulb at the bottom of a graduated sealed glass capillary tube marked in degrees Celsius or Fahrenheit; mercury expands with a rise in temperature causing a thin thread of mercury to rise in the tube Definitions of mercury thermometer 1 n thermometer consisting of mercury contained in a bulb at the bottom of a graduated sealed glass capillary tube marked in degrees Celsius or Fahrenheit; mercury expands with a rise in temperature causing a thin thread of mercury to rise in the tube WordNet 3.6. n thermometer measuring instrument for measuring temperature *** Webster's Revised Unabridged Dictionary . Mercury, for instance, becomes a solid at -38.83 degrees Celsius (-37.89 degrees Fahrenheit). Information and translations of mercury thermometer in the most comprehensive dictionary definitions resource on the web. mercury thermometer . When a substance gets hotter, it expands to a greater volume. Type: noun; Copy to clipboard ; Details / edit; GlosbeMT_RnD2. Such thermometers use a metal probe to sense temperature. There are a number of different model types, sizes, and specifications, but the general operating principle is … … It is also difficult to clean up. A simple buret with 0,6 ml. Mercury thermometer: Photo by Da Sal on Flickr. Any change in the temperature value of the gas observed in the gas tube is indicated by the change in pressure observed in one of the tubes and alteration of mercury levels in both the tubes. Thermometers measure temperature, by using materials that change in some way when they are heated or cooled. thermometer: An instrument for measuring temperature, especially one having a graduated glass tube with a bulb containing a liquid, typically mercury or colored alcohol, that expands and rises in the tube as the temperature increases. Often, a certified thermometer has been tested against standards traceable to NIST, but the user is given less information on the certificate than is typical for a calibration report. If a mercury thermometer breaks or leaks, it can release toxic vapors. The Mercury Thermometer, on the other hand, is more durable under general conditions. Use protective gloves and contact a poison control center if any mercury is ingested or comes in contact with your skin. Information and translations of mercury-in-glass thermometer in the most comprehensive dictionary definitions resource on the web. Mercury thermometers are seldom employed because they are an important source of heavy metal pollution of … thermometer Definitions. Mercury located in the bulb expands with increasing temperature and contracts with decreasing temperature. Mercury Thermometer Alternatives: What Is Traceability? Oral and rectal thermometers: A conventional oral or rectal thermometer consists of a sealed glass tube containing a liquid such as mercury. Mercury thermometers are no longer recommended because they can break and allow mercury — which is toxic — to escape. Meaning of mercury thermometer. A thermometer is an instrument for measuring or showing temperature (how hot or cold something is). See more. Was sind Mercury-Thermometer? Writer Bio. The working of the bimetallic strip depends on the thermal expansion property of the metal. Liquid thermometers can be limited by the type of liquid used. An instrument for measuring temperature, especially one having a graduated glass tube with a bulb containing a liquid, typically mercury or colored alcohol, that expands and rises in the tube as the temperature increases. Proper usage and audio pronunciation (plus IPA phonetic transcription) of the word mercury thermometer. Do try the cooling method first. Definition Quecksilberthermometer: Das Substantiv Englische Grammatik. ترمومتر زئبقي. These sorts of thermometers are most commonly used in medicine and meteorology. It usually consists of a narrow... | Meaning, pronunciation, translations and examples Based on 7 documents 7. If released, mercury poses both human and environmental health threats. * Accuracy: Out of all the liquid-filled Thermometers, the mercury-filled ones are the most accurate. Older thermometers of this type used liquid mercury. Information about mercury thermometer in the AudioEnglish.org dictionary, synonyms and antonyms. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. They are most accurate when semi-immersed or totally immersed in the medium being measured. Define Mercury thermometer. Alkoholthermometer ist eine Art Thermometer… oj4. The mercury lab thermometer is being phased out at many educational and laboratory institutions due to the potential cost of cleanup and risk to users if broken. American Heritage® Dictionary of the English Language, Fifth Edition. mercury thermometer (n.). Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you Definition of mercury thermometer in the Definitions.net dictionary. Copy. Definition (britisch) mercury, thermometer: Definition (amerikanisch) mercury, thermometer: Thesaurus, Synonyme, Antonyme mercury, thermometer: Etymology mercury, thermometer: das Quecksilberthermometer. Sample 2. Save. Cite. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. springer. The Mercury Thermometer, on the other hand, is more durable under general conditions. Mercury thermometers are being phased out as the metal is toxic if the thermometer breaks. capillary thermometers . Meaning of mercury-in-glass thermometer. The mercury lab thermometer is being phased out at many educational and laboratory institutions due to the potential cost of cleanup and risk to users if broken. Loading... ＋ New List. ‘Some states have banned the use of mercury thermometers as a first step toward phasing out the use of this toxic metal altogether.’ ‘Another option is a digital aural thermometer that measures the temperature in the ear.’ ‘Formerly a medicine-cabinet staple, these mercury thermometers have lately been ruled a public health hazard.’ Thermometric Property Definition: The property of an object which changes with temperature is called a thermometric property.The devices used to measure temperature are called thermometers.. We are giving a detailed and clear sheet on all Physics Notes that are very useful to understand the Basic Physics Concepts. - Definition, Wirkungsweise, Vorteile, Nachteile 3. What does mercury thermometer mean? Das Substantiv (Hauptwort, Namenwort) dient zur Benennung von Menschen, Tieren, Sachen u. Ä. Mercury thermometer; Constant volume gas thermometer; Platinum resistance thermometer; Pyrometer thermometer (i) Mercury thermometer: In this thermometer, the length of a mercury column from some fixed point is … A thermometer is a device that is used to measure the temperature of a body. Common types of thermometers are Medical thermometers, Infrared thermometers, Mercury thermometers, thermocouple thermometers, laboratory thermometers, Bimetallic strip thermometers… How to use mercury in a sentence. A slight amount of mercury is placed into the base of the thermometer, and as heat warms the base of the thermometer, it increases the mercury level, pushing it up a narrow tube so we can physically read the increase on the thermometer; however, at a slow pace. It's free and takes five seconds. It's free and takes five seconds. Dictionary entry overview: What does mercury thermometer mean? These instruments were once the go-to technology for measuring temperatures both at home and in workplaces because of the convenient chemical properties of mercury… The liquid was almost always mercury or coloured alcohol, sealed in a glass tube with a gas like nitrogen or argon making up the rest of the volume of the tube. In a mercury or alcohol thermometer, the liquid expands as it is heated and contracts when it is cooled, so the length of the liquid column is longer or … Electronic components in the thermometer can take very accurate and fast temperature readings. Viele übersetzte Beispielsätze mit "mercury thermometer" – Deutsch-Englisch Wörterbuch und Suchmaschine für Millionen von Deutsch-Übersetzungen. Thermometer definition, an instrument for measuring temperature, often a sealed glass tube that contains a column of liquid, as mercury, that expands and contracts, or rises and falls, with temperature changes, the temperature being read where the top of the column coincides with a calibrated scale marked on the tube or its frame. Thermometers measure temperature, by using materials that change in some way when they are heated or cooled. Galinstan thermometers have a silver-colored line, but will be marked "mercury-free" when you buy one. In addition, the mercury expansion is more predictable so it can be measured more easily, at the same time published its scale that today is called the Fahrenheit scale to measure temperature. Contact your local trash collection program to see if there's a … A capillary-tube thermometer ensures very high precision. Facebook. Sign up. The mercury filled bulb is connected to a glass tube which has a capillary tube inside it. A primarily clinical trial has been undertaken to investigate and compare the use of mercury and digital thermometers in a ward situation. Mercury thermometers are most often made of glass, which is inserted into food to gauge the temperature. What does mercury-in-glass thermometer mean? Mercury thermometers are seldom employed because they are an important source of heavy metal pollution of rivers, streams, and aquatic life. Don't have an account yet? Do not clean up spilled mercury with bare hands. Thermometers are used to see if you have a fever or tell you how cold it is outside. It is also known as mercury-in-glass thermometer. Eurlex2019. mercury thermometer, mercury-in-glass thermometer (noun) thermometer consisting of mercury contained in a bulb at the bottom of a graduated sealed glass capillary tube marked in degrees Celsius or Fahrenheit; mercury expands with a rise in temperature causing a thin thread of mercury to rise in the tube How to pronounce mercury thermometer? ‘There are generally three different types of thermometers; glass, digital, and tympanic.’ ‘In some locations, the sale of mercury thermometers is banned completely.’ ‘When a mercury thermometer breaks, it is difficult and very expensive to clean up properly.’ ‘All you need is a mercury thermometer, which you keep by your bed.’ Mercury thermometers are still used to measure body temperature in the U.S. Totally immersed in the AudioEnglish.org Dictionary, synonyms and antonyms capillary tube inside it, or.. Thermometers: a conventional oral or rectal thermometer consists of a body of is. 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