CATATHERMOMETER Meaning and
Definition
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A catathermometer is a specialized scientific instrument used to measure and monitor changes in temperature. Derived from the Greek words "kata" meaning downward and "thermo" meaning heat, the term catathermometer refers to a device that detects and records temperature changes in a downward direction.
The functionality of a catathermometer relies on the principle of thermal expansion, which is the tendency of matter to increase in volume or size due to an increase in temperature. It typically consists of a hollow glass tube with alcohol or another thermally sensitive liquid, enclosed within a calibrated scale. When exposed to higher temperatures, the liquid expands and rises up in the tube. The level to which the liquid rises indicates the corresponding temperature on the scale.
Catathermometers are commonly used in scientific laboratories, industrial settings, and meteorology for precise temperature measurements and monitoring. They offer several advantages such as high sensitivity, accuracy, and quick response time. Furthermore, catathermometers can be used for both measurements of absolute temperature and temperature differentials.
Due to advancements in technology, modern digital thermometers have largely replaced catathermometers in many applications. However, catathermometers still hold significance in specific scientific fields and industries where precise temperature monitoring is critical. Their historical importance and contributions to temperature measurement make them valuable instruments in scientific research and development.
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A large-bulbed spirit thermometer used to measure the rate of cooling; the dry bulb c. indicates the rate of heat loss by radiation and convection, the wet bulb by radiation, convection, and evaporation.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for CATATHERMOMETER
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Etymology of CATATHERMOMETER
The word "catathermometer" is derived from the combination of three Greek words: "kata" (κατά) meaning "down", "thermo" (θερμός) meaning "heat", and "metron" (μέτρον) meaning "measure". This etymology reflects the purpose of a catathermometer, which is to measure and indicate changes in temperature.
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