The temperature of two systems is the same when the systems are in thermal equilibrium. In the United States, the Fahrenheit temperature is most commonly used, though the International System of Units (SI unit) Centigrade (or Celsius) is used in most of the rest of the world. to measure a person's body heat, using a thermometer. Dictionary.com Unabridged Things get a little more complicated for solids, of course, but that's the basic idea. She had a temperature and wasn't feeling well. Here’s why ecologists love them. He built a thermometer with alcohol in 1709, but it was really his mercury-based thermometer of 1714 that became the gold standard of temperature measurement. Can Obama and a Republican Senate Find Common Ground? Here’s what California needs to do instead. He used a device called a thermoscope to measure the amount of heat and cold, at least as early as 1603. The food must be kept at a low temperature. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
The American Heritage® Idioms Dictionary
Andrew Zimmerman Jones is a science writer, educator, and researcher.
Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. the degree of hotness of a body, substance, or medium; a physical property related to the average kinetic energy of the atoms or molecules of a substance, a measure of this degree of hotness, indicated on a scale that has one or more fixed reference points, a body temperature in excess of the normal.
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Throughout the 1600s, various scientists tried to create thermometers that measured temperature by a change of pressure within a contained measurement device. Free learning resources for students covering all major areas of biology.
This is roughly described by the kinetic theory, at least for gases and fluids. What wildfires in Brazil, Siberia, and the US West have in common, Underwater earthquakes’ sound waves reveal changes in ocean warming, Soggy coastal soils? Several temperature scales exist. Published by Houghton Mifflin Harcourt Publishing Company. / ˈtɛm pər ə tʃər, -ˌtʃʊər, -prə-, -pər tʃər, -ˌtʃʊər /. What Is an Isothermal Process in Physics? Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. As the temperature changes, the liquid within a contained tube moves along a scale on the device. Without any centralized system of measurement, each of these scientists developed their own measurement scales, and none of them really caught on until Dutch-German-Polish physicist and inventor Daniel Gabriel Fahrenheit (1686–1736) built his in the early 1700s. Take the quiz to find out! Full text Full text is available as a scanned copy of the original print version. As with much of modern science, we can look back to the ancients for the origins of the ideas about how to measure temperature back to the ancients. Published by Houghton Mifflin Company. Define temperature. Choose from 500 different sets of temperature chapter 4 biology flashcards on Quizlet. ", ThoughtCo uses cookies to provide you with a great user experience. Temperature definition, a measure of the warmth or coldness of an object or substance with reference to some standard value. Virgin Galactic’s Flight Path to Disaster: A Clash of High Risk and Hyperbole, Life Movements in Plants, Volume II, 1919.
Diffusion is affected by temperature, area of interaction, steepness of the concentration gradient and particle size. “Terror” vs. “Horror”: Which One Is Worse? “Hallowmas” vs. “All Saints’ Day”: What’s The Day After Halloween Actually Called? Absentee Ballot vs. Mail-In Ballot: Is There A Difference? “Affect” vs. “Effect”: Use The Correct Word Every Time. The Italian astronomer Galileo (1564–1642) was one of the first scientists recorded to have actually used a device that measured temperature, though it is unclear whether he actually built it himself or acquired the idea from someone else. Because humans easily perceive the amount of heat and cold within an area, it is understandable that temperature is a feature of reality that we have a fairly intuitive grasp on.
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. He is the co-author of "String Theory for Dummies. A measure of the ability of a substance, or more generally of any physical system, to transfer heat energy to another physical system. M.S., Mathematics Education, Indiana University. The American Heritage® Science Dictionary Consider that many of us have our first interaction with a thermometer in the context of medicine, when a doctor (or our parent) uses one to discern our temperature, as part of diagnosing an illness. The Kelvin scale is used often in physics and is adjusted so that 0 degrees Kelvin is equal to absolute zero, which is, in theory, the coldest possible temperature and at which point all kinetic motion ceases.
the degree of heat in a living body, normally about 98.6°F (37°C) in humans. Temperature is an objective measurement of how hot or cold an object is. Temperature is a measure of the internal energy of a system, while heat is a measure of how energy is transferred from one system (or body) to another, or, how temperatures in … Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012.
English physician Robert Fludd (1574–1637) built a thermoscope in 1638 that had a temperature scale built into the physical structure of the device, resulting in the first thermometer. Temperature is the property of matter which reflects the quantity of energy of motion of the component particles. Regulating body temperature The human body is designed to function most efficiently at 37ºC. Any of various standardized numerical measures of this ability, such as the Kelvin, Fahrenheit, and Celsius scales. The degree of hotness or coldness of a body or an environment. 48967 lbs. Each of these factors, independently and collectively can alter the rate and extent of diffusion. Learn temperature chapter 4 biology with free interactive flashcards.
Indeed, temperature is a critical concept in a wide variety of scientific disciplines, not just medicine.
A specific degree of hotness or coldness as indicated on or referred to a standard scale. a measure of the warmth or coldness of an object or substance with reference to some standard value. Temperature is different from heat, although the two concepts are linked. What Is The Difference Between “It’s” And “Its”?
The temperature of a substance is closely related to the average kinetic energy of its molecules.
Temperature is a measure of the internal energy of a system, while heat is a measure of how energy is transferred from one system (or body) to another, or, how temperatures in one system are raised or lowered by interaction with another. Temperature in the largest biology dictionary online. “Epidemic” vs. “Pandemic” vs. “Endemic”: What Do These Terms Mean? Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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How Does a Thermometer Measure Air Temperature? As atoms begin to slow down their movement, the material becomes cooler.
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Build ice towers with bottled water and ice, Speed Read: The Juiciest Bits From the History of ‘Purple Rain’. A traditional thermometer measures temperature by containing a fluid that expands at a known rate as it gets hotter and contracts as it gets cooler.
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