Mercury thermometers are seldom employed because they are an important source of heavy metal pollution of … Definition of Mercury fever thermometer. If a mercury thermometer breaks or leaks, it can release toxic vapors. Copy. 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. 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. Eurlex2019. Thermometers measure temperature, by using materials that change in some way when they are heated or cooled. Use protective gloves and contact a poison control center if any mercury is ingested or comes in contact with your skin. 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 springer. Was sind Mercury-Thermometer? Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you 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. - Vergleich der wichtigsten Unterschiede. Definition of mercury thermometer in the Definitions.net dictionary. 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. Example sentences with "capillary thermometers", translation memory. Schlüsselbegriffe: Alkohol, Alkoholthermometer, Quecksilber, Quecksilberthermometer, Sensor, Temperatur, Thermometer. The space above the mercury may be filled with nitrogengas or it may b… Laboratory Thermometers. It's free and takes five seconds. mercury thermometer A thermometer containing mercury for measurement of temperature. It is also known as mercury-in-glass thermometer. In the early 21st century, mercury thermometers were supplanted by electronic digital thermometers, which were more accurate and did not contain toxic mercury. Don't have an account yet? What does mercury-in-glass thermometer mean? Oral and rectal thermometers: A conventional oral or rectal thermometer consists of a sealed glass tube containing a liquid such as mercury. The mercury-in-glass or mercury thermometer was invented by physicist Daniel Gabriel Fahrenheit in Amsterdam (1714). They are also safe, since they can withstand temperature extremes without breaking. As used here, the word "traceability" always means "metrological traceability." 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 Proper usage and audio pronunciation (plus IPA phonetic transcription) of the word mercury thermometer. See more. Legal Considerations. Mercury thermometers are no longer recommended because they can break and allow mercury — which is toxic — to escape. Meaning of mercury-in-glass thermometer. Mercury Thermometer Alternatives: What Is Traceability? When the temperature rises or falls, the mercury expands or contracts, causing it to move up or down the scale inside a tiny passageway. ‘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.’ It's free and takes five seconds. 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. • MERCURY THERMOMETER (noun) The noun MERCURY THERMOMETER has 1 sense:. Thermometers measure temperature, by using materials that change in some way when they are heated or cooled. Mercury thermometers are being phased out as the metal is toxic if the thermometer breaks. Mercury thermometers are most often made of glass, which is inserted into food to gauge the temperature. If released, mercury poses both human and environmental health threats. Email. Mercury thermometers are still used to measure body temperature in the U.S. translation and definition "mercury thermometer", English-Arabic Dictionary online. … Different Types of Thermometers: Some different types of thermometers are given below. High thermal conductivity, high sensitivity to temperature, and good visibility make mercury the best for liquid-filled Thermometers. 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. Twitter. ‘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.’ The working of the bimetallic strip depends on the thermal expansion property of the metal. 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 One type of thermometer is a narrow, concealed glass tube containing mercury or alcohol which extends along the tube as it expands. 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. This thermometer is a thin glass tube with a silver tip and line inside. A primarily clinical trial has been undertaken to investigate and compare the use of mercury and digital thermometers in a ward situation. 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 In the past, mercury (MER-kure-e) thermometers were used. Define Mercury thermometer. Alcohol-filled and galinstan glass thermometers are harder to find in regular grocery stores. A thermometer is a device that measures temperature or a temperature gradient (the degree of hotness or coldness of an object). 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 Imprinted on the tube is a temperature scale. oj4. Mercury is a toxic chemical, which if released could contaminate the body as well as surrounding areas, rendering it unsafe. Most Common Uses. * Accuracy: Out of all the liquid-filled Thermometers, the mercury-filled ones are the most accurate. Contact your local trash collection program to see if there's a … Thermometers with a red or blue color most likely contain alcohol, not mercury. Share. Viele übersetzte Beispielsätze mit "mercury thermometer" – Deutsch-Englisch Wörterbuch und Suchmaschine für Millionen von Deutsch-Übersetzungen. Mercury thermometers are seldom employed because they are an important source of heavy metal pollution of rivers, streams, and aquatic life. 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. Mercury thermometers are designed utilizing the idea that mercury expands with heat. capillary thermometers . Older thermometers of this type used liquid mercury. Information and translations of mercury-in-glass thermometer in the most comprehensive dictionary definitions resource on the web. What does mercury thermometer mean? What does mercury thermometer mean? 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. Loading... + New List. If a mercury thermometer breaks or leaks, it can release toxic vapors. COBUILD Key Words for Mechanical Engineering . A thermometer is an instrument for measuring or showing temperature (how hot or cold something is). Traceability can be defined as an unbroken record of documentation ("documentation traceability") or an unbroken chain of measurements and associated uncertainties ("metrological traceability"). Facebook. 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. Type: noun; Copy to clipboard ; Details / edit; GlosbeMT_RnD2. Information about mercury thermometer in the AudioEnglish.org dictionary, synonyms and antonyms. Meaning of mercury thermometer. Mercury thermometers are distinguished by the silver color in the column. translation and definition "capillary thermometers", Dictionary English-English online. Mercury thermometers can be used to determine body, liquid, and vapor temperature. Digital thermometer synonyms, Digital thermometer pronunciation, Digital thermometer translation, English dictionary definition of Digital thermometer. Alkoholthermometer ist eine Art Thermometer… Mercury fever thermometer means a mercury-added product that is used for measuring body temperature. 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… Das Substantiv (Hauptwort, Namenwort) dient zur Benennung von Menschen, Tieren, Sachen u. Ä. Was ist der Unterschied zwischen Alkohol- und Quecksilberthermometern? Warnings. Sample 2. Dictionary entry overview: What does mercury thermometer mean? American Heritage® Dictionary of the English Language, Fifth Edition. * Accuracy: Out of all the liquid-filled Thermometers, the mercury-filled ones are the most accurate. It is also difficult to clean up. With changes in temperature, the mercury expands and contracts, and the temperature can be read from the scale. 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 … Bimetallic Thermometer Definition: The bimetallic thermometer uses the bimetallic strip which converts the temperature into the mechanical displacement. Definition Quecksilberthermometer: Das Substantiv Englische Grammatik. Thermometer definition: A thermometer is an instrument for measuring temperature. 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. Mercury, for instance, becomes a solid at -38.83 degrees Celsius (-37.89 degrees Fahrenheit). Mercury is a dangerous metal. Save. Thermometers (Mercury) Definition. thermometer definition in English dictionary, thermometer meaning, synonyms, see also 'clinical thermometer',gas thermometer',resistance thermometer',dry-bulb thermometer'. Reddit. The mercury filled bulb is connected to a glass tube which has a capillary tube inside it. A mercury thermometer is a tool used to measure temperature. Enrich your vocabulary with the English Definition dictionary High thermal conductivity, high sensitivity to temperature, and good visibility make mercury the best for liquid-filled Thermometers. A thermometer is a device that is used to measure the temperature of a body. Sample 1. The non-mercury platinum resistance thermometer is as accurate as mercury-containing thermometers through a wide temperature range. How to use mercury in a sentence. Mercury thermometers cannot measure temperatures below this point. 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). There are a number of different model types, sizes, and specifications, but the general operating principle is … Was sind Alkoholthermometer? 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. 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. 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). Open Split View. Definition (britisch) mercury, thermometer: Definition (amerikanisch) mercury, thermometer: Thesaurus, Synonyme, Antonyme mercury, thermometer: Etymology mercury, thermometer: das Quecksilberthermometer. Cooling is the preferred method. It is considered the safest way to … Definition of mercury-in-glass thermometer in the Definitions.net dictionary. This type can be used either orally, which is to say slipped under the tongue, or rectally. Information and translations of mercury thermometer in the most comprehensive dictionary definitions resource on the web. There is no official definition of "certified." Common types of thermometers are Medical thermometers, Infrared thermometers, Mercury thermometers, thermocouple thermometers, laboratory thermometers, Bimetallic strip thermometers… thermometer Definitions. 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 … Oral and rectal thermometers: A conventional oral or rectal thermometer consists of a sealed glass tube containing a liquid such as mercury. Interesting fact: Dating back to the 1600's, thermometers were filled with Brandy instead of mercury. A thermometer is a tool that measures temperature — how hot or cold something is. 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? 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. Sample 3. 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. A capillary-tube thermometer ensures very high precision. Non-mercury thermistors are accurate but have a … Sign up. 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. Such thermometers use a metal probe to sense temperature. ترمومتر زئبقي. Description: Laboratory thermometers are long-stemmed with a silver bulb at the end. Definition of mercury thermometer in the AudioEnglish.org Dictionary. In a mercury thermometer, a glass tube is filled with mercury and a standard temperature scale is marked on the tube. Medical doctors often use a version known as the maximum mercury thermometer to measure human body temperature. Electronic components in the thermometer can take very accurate and fast temperature readings. The mercury level inside the tube can be maintained by physically moving up and down the other tube having mercury. 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. 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. Do try the cooling method first. 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. 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. In response to our understanding of the health concerns associated with mercury exposure, these types of thermometers usually use some type of liquid alcohol. 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. The Mercury Thermometer, on the other hand, is more durable under general conditions. Mercury located in the bulb expands with increasing temperature and contracts with decreasing temperature. 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 Sign up. Writer Bio. As mercury: Alkohol, Alkoholthermometer, Quecksilber, Quecksilberthermometer, Sensor Temperatur! 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