Thermometric Property | Definition, Formulas, Properties – … 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 … * Accuracy: Out of all the liquid-filled Thermometers, the mercury-filled ones are the most accurate. Definition of mercury thermometer in the AudioEnglish.org Dictionary. 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 The Mercury Thermometer, on the other hand, is more durable under general conditions. Copy. It is also difficult to clean up. Cooling is the preferred method. See more. Contact your local trash collection program to see if there's a … 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. Galinstan thermometers have a silver-colored line, but will be marked "mercury-free" when you buy one. Based on 7 documents 7. A thermometer is an instrument for measuring or showing 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. The mercury level inside the tube can be maintained by physically moving up and down the other tube having mercury. Mercury, for instance, becomes a solid at -38.83 degrees Celsius (-37.89 degrees Fahrenheit). Save. n. An instrument for measuring temperature, especially one having a graduated glass tube with a bulb containing a liquid, typically mercury … Common types of thermometers are Medical thermometers, Infrared thermometers, Mercury thermometers, thermocouple thermometers, laboratory thermometers, Bimetallic strip thermometers… It is considered the safest way to … Mercury thermometers cannot measure temperatures below this point. Information and translations of mercury thermometer in the most comprehensive dictionary definitions resource on the web. mercury thermometer . Information about mercury thermometer in the AudioEnglish.org dictionary, synonyms and antonyms. COBUILD Key Words for Mechanical Engineering . 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. Do not clean up spilled mercury with bare hands. Laboratory Thermometers. One type of thermometer is a narrow, concealed glass tube containing mercury or alcohol which extends along the tube as it expands. Mercury thermometer is a type of thermometer that uses a bulb filled with mercury as the temperature sensor. A thermometer is a tool that measures temperature — how hot or cold something is. When a substance gets hotter, it expands to a greater volume. 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 The Mercury Thermometer, on the other hand, is more durable under general conditions. Thermometers measure temperature, by using materials that change in some way when they are heated or cooled. Was sind Alkoholthermometer? Mercury thermometer (mercury-in-glass thermometer) for measurement of room temperature. The working of the bimetallic strip depends on the thermal expansion property of the metal. capillary thermometers . A thermometer is a device for measuring temperature, usually one that works by the expansion of a column of fluid. Example sentences with "capillary thermometers", translation memory. Alcohol-filled and galinstan glass thermometers are harder to find in regular grocery stores. Type: noun; Copy to clipboard ; Details / edit; GlosbeMT_RnD2. If you have a mercury thermometer, don't throw it in the trash. The thermal expansion is the tendency of metal in which the volume of metal changes with the variation in temperature. It usually consists of a narrow... | Meaning, pronunciation, translations and examples Thermometers are used to see if you have a fever or tell you how cold it is outside. 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. 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 thermometer A thermometer containing mercury for measurement of temperature. Mercury thermometers are seldom employed because they are an important source of heavy metal pollution of rivers, streams, and aquatic life. With changes in temperature, the mercury expands and contracts, and the temperature can be read from the scale. mercury thermometer (n.). Mercury thermometers are seldom employed because they are an important source of heavy metal pollution of … 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… 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 This thermometer is a thin glass tube with a silver tip and line inside. Sign up. 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. 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. Twitter. 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 … There are a number of different model types, sizes, and specifications, but the general operating principle is … A thermometer is a device that measures temperature or a temperature gradient (the degree of hotness or coldness of an object). • MERCURY THERMOMETER (noun) The noun MERCURY THERMOMETER has 1 sense:. Facebook. Electronic components in the thermometer can take very accurate and fast temperature readings. Description: Laboratory thermometers are long-stemmed with a silver bulb at the end. This type can be used either orally, which is to say slipped under the tongue, or rectally. A thermometer is a device that is used to measure the temperature of a body. Older thermometers contain mercury. Email. Thermometers (Mercury) Definition. Share. Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you Mercury definition is - a Roman god of commerce, eloquence, travel, cunning, and theft who serves as messenger to the other gods. 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. A mercury thermometer is a tool used to measure temperature. 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 thermometers are still used to measure body temperature in the U.S. Different Types of Thermometers: Some different types of thermometers are given below. Use: Laboratory thermometers are used in laboratories to measure temperature. Use protective gloves and contact a poison control center if any mercury is ingested or comes in contact with your skin. 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. Eurlex2019. thermometer definition in English dictionary, thermometer meaning, synonyms, see also 'clinical thermometer',gas thermometer',resistance thermometer',dry-bulb thermometer'. - Definition, Wirkungsweise, Vorteile, Nachteile 3. Loading... ＋ New List. Oral and rectal thermometers: A conventional oral or rectal thermometer consists of a sealed glass tube containing a liquid such as 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. Dictionary entry overview: What does mercury thermometer mean? These liquid thermometers are based on the principal of thermal expansion. 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. For broader coverage of this topic, see Temperature measurement. What does mercury thermometer mean? 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. Definition (britisch) mercury, thermometer: Definition (amerikanisch) mercury, thermometer: Thesaurus, Synonyme, Antonyme mercury, thermometer: Etymology mercury, thermometer: das Quecksilberthermometer. American Heritage® Dictionary of the English Language, Fifth Edition. As used here, the word "traceability" always means "metrological traceability." - Vergleich der wichtigsten Unterschiede. 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. Mercury thermometers are being phased out as the metal is toxic if the thermometer breaks. Medical doctors often use a version known as the maximum mercury thermometer to measure human body temperature. 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