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? A capillary-tube thermometer ensures very high precision. What does mercury-in-glass thermometer mean? ترمومتر زئبقي. Thermometric Property | Definition, Formulas, Properties – … 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. 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 … In the early 21st century, mercury thermometers were supplanted by electronic digital thermometers, which were more accurate and did not contain toxic mercury. Older thermometers contain mercury. These sorts of thermometers are most commonly used in medicine and meteorology. Mercury thermometers can be used to determine body, liquid, and vapor temperature. It is also known as mercury-in-glass thermometer. Types of thermometer. Example sentences with "capillary thermometers", translation memory. translation and definition "mercury thermometer", English-Arabic Dictionary online. Sample 1. Reddit. 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 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. capillary thermometers . Mercury thermometers are being phased out as the metal is toxic if the thermometer breaks. * Accuracy: Out of all the liquid-filled Thermometers, the mercury-filled ones are the most accurate. Mercury thermometers are seldom employed because they are an important source of heavy metal pollution of rivers, streams, and aquatic life. The space above the mercury may be filled with nitrogengas or it may b… A thermometer is a tool that measures temperature — how hot or cold something is. 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. Do not clean up spilled mercury with bare hands. on the path to systematic vocabulary improvement. The non-mercury platinum resistance thermometer is as accurate as mercury-containing thermometers through a wide temperature range. 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. There is no official definition of "certified." oj4. Mercury is a dangerous metal. There are a number of different model types, sizes, and specifications, but the general operating principle is … Such thermometers use a metal probe to sense temperature. A thermometer is a device for measuring temperature, usually one that works by the expansion of a column of fluid. 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. A simple buret with 0,6 ml. 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. Traceability can be defined as an unbroken record of documentation ("documentation traceability") or an unbroken chain of measurements and associated uncertainties ("metrological traceability"). A thermometer containing mercury for measurement of temperature. Imprinted on the tube is a temperature scale. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Interesting fact: Dating back to the 1600's, thermometers were filled with Brandy instead of mercury. Mercury located in the bulb expands with increasing temperature and contracts with decreasing temperature. Thermometers are used to see if you have a fever or tell you how cold it is outside. A capillary-tube thermometer ensures very high precision. A thermometer is a device that is used to measure the temperature of a body. Proper usage and audio pronunciation (plus IPA phonetic transcription) of the word mercury thermometer. Non-mercury thermistors are accurate but have a … 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 Information about mercury thermometer in the AudioEnglish.org dictionary, synonyms and antonyms. Open Split View. * Accuracy: Out of all the liquid-filled Thermometers, the mercury-filled ones are the most accurate. 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. Thermometers measure temperature, by using materials that change in some way when they are heated or cooled. 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. Definition of mercury-in-glass thermometer in the Definitions.net dictionary. Was sind Alkoholthermometer? Meaning of mercury-in-glass thermometer. mercury thermometer (n.). translation and definition "capillary thermometers", Dictionary English-English online. Mercury thermometers are no longer recommended because they can break and allow mercury — which is toxic — to escape. Digital thermometer synonyms, Digital thermometer pronunciation, Digital thermometer translation, English dictionary definition of Digital thermometer. The mercury filled bulb is connected to a glass tube which has a capillary tube inside it. These liquid thermometers are based on the principal of thermal expansion. Use protective gloves and contact a poison control center if any mercury is ingested or comes in contact with your skin. However, glass is very fragile, which means, it can easily become broken. The Mercury Thermometer, on the other hand, is more durable under general conditions. Mercury thermometers are seldom employed because they are an important source of heavy metal pollution of … 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. Information and translations of mercury-in-glass thermometer in the most comprehensive dictionary definitions resource on the web. When a substance gets hotter, it expands to a greater volume. Mercury thermometers are designed utilizing the idea that mercury expands with heat. Mercury is a toxic chemical, which if released could contaminate the body as well as surrounding areas, rendering it unsafe. Thermometers in Physics | Definition, Types – Thermometry and Calorimetry. Don't have an account yet? Medical doctors often use a version known as the maximum mercury thermometer to measure human body temperature. The mercury-in-glass or mercury thermometer was invented by physicist Daniel Gabriel Fahrenheit in Amsterdam (1714). Alcohols, such as ethanol, boil at about 78 degrees Celsius (172 degrees Fahrenheit). Mercury thermometer (mercury-in-glass thermometer) for measurement of room temperature. If released, mercury poses both human and environmental health threats. A thermometer is a device that measures temperature or a temperature gradient (the degree of hotness or coldness of an object). Mercury, for instance, becomes a solid at -38.83 degrees Celsius (-37.89 degrees Fahrenheit). Alkoholthermometer ist eine Art Thermometer… Mercury Thermometer Alternatives: What Is Traceability? The working of the bimetallic strip depends on the thermal expansion property of the metal. How to use mercury in a sentence. 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). A thermometer is an instrument for measuring or showing temperature (how hot or cold something is). High thermal conductivity, high sensitivity to temperature, and good visibility make mercury the best for liquid-filled Thermometers. 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. n. An instrument for measuring temperature, especially one having a graduated glass tube with a bulb containing a liquid, typically mercury … 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. If a mercury thermometer breaks or leaks, it can release toxic vapors. They are most accurate when semi-immersed or totally immersed in the medium being measured. thermometer definition in English dictionary, thermometer meaning, synonyms, see also 'clinical thermometer',gas thermometer',resistance thermometer',dry-bulb thermometer'. ‘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.’ mercury thermometer . Type: noun; Copy to clipboard ; Details / edit; GlosbeMT_RnD2. 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. c. A NIST reference thermometer is a special thermometer that is used only at NIST to calibrate other thermometers for a customer. Loading... ＋ New List. What does mercury thermometer mean? Dictionary entry overview: What does mercury thermometer mean? Writer Bio. Based on 7 documents 7. 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. Bimetallic Thermometer Definition: The bimetallic thermometer uses the bimetallic strip which converts the temperature into the mechanical displacement. The thermal expansion is the tendency of metal in which the volume of metal changes with the variation in temperature. Another type is a digital thermometer, which uses electronics to … 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. If a mercury thermometer breaks or leaks, it can release toxic vapors. If you have a mercury thermometer, don't throw it in the trash. Linkedin. Definition of mercury thermometer in the AudioEnglish.org Dictionary. It is considered the safest way to … Common types of thermometers are Medical thermometers, Infrared thermometers, Mercury thermometers, thermocouple thermometers, laboratory thermometers, Bimetallic strip thermometers… Contact your local trash collection program to see if there's a … Definition Quecksilberthermometer: Das Substantiv Englische Grammatik. Enrich your vocabulary with the English Definition dictionary thermometer Definitions. Older thermometers of this type used liquid 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 … 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 American Heritage® Dictionary of the English Language, Fifth Edition. Sign up. - Definition, Wirkungsweise, Vorteile, Nachteile 3. Thermometers (Mercury) Definition. 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). Save. 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 Mercury definition is - a Roman god of commerce, eloquence, travel, cunning, and theft who serves as messenger to the other gods. It usually consists of a narrow... | Meaning, pronunciation, translations and examples 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. Email. Thermometers measure temperature, by using materials that change in some way when they are heated or cooled. It's free and takes five seconds. 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… Definition of mercury thermometer in the Definitions.net dictionary. See more. Was sind Mercury-Thermometer? 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. 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. Mercury thermometers cannot measure temperatures below this point. Das Substantiv (Hauptwort, Namenwort) dient zur Benennung von Menschen, Tieren, Sachen u. Ä. … Most Common Uses. It is also difficult to clean up. Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you Thermometers with a red or blue color most likely contain alcohol, not mercury. High thermal conductivity, high sensitivity to temperature, and good visibility make mercury the best for liquid-filled Thermometers. A primarily clinical trial has been undertaken to investigate and compare the use of mercury and digital thermometers in a ward situation. A mercury thermometer is a tool used to measure temperature. Schlüsselbegriffe: Alkohol, Alkoholthermometer, Quecksilber, Quecksilberthermometer, Sensor, Temperatur, Thermometer. It's free and takes five seconds. 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. 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