THERMOSCOPE Meaning and
Definition
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A thermoscope is a scientific instrument used to measure changes in temperature. It consists of a thin, glass tube with a bulb at one end that contains a substance sensitive to heat. The thermoscope operates based on the principle of thermal expansion, where the substance inside the bulb expands or contracts in response to variations in temperature.
The bulb of the thermoscope is connected to a long, graduated scale that allows for accurate temperature readings. As the temperature rises, the substance inside the bulb expands, causing it to travel up the scale, indicating an increase in temperature. Conversely, when the temperature decreases, the substance contracts, causing it to move down the scale, indicating a decrease in temperature.
Thermoscopes have been used since ancient times for temperature measurement, predating the invention of the more sophisticated mercury or alcohol-based thermometers. They were primarily utilized for qualitative temperature assessments rather than precise quantitative measurements.
In modern times, the thermoscope is no longer commonly used as advancements in technology have led to the development of more accurate and efficient temperature measuring devices, such as digital thermometers. Nevertheless, the thermoscope played a crucial role in the history of temperature measurement and serves as a testament to the progress made in the field of thermal science.
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Differential thermometer, an instrument for indicating slight differences of temperature, without registering or recording them.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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An instr. for indicating changes of temperature without indicating the degree of heat by which it is affected.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for THERMOSCOPE
Etymology of THERMOSCOPE
The word "thermoscope" comes from two Greek roots: "thermo", meaning heat, and "skopein", meaning to look or examine. The term was first coined in the 17th century when Galileo Galilei invented a device to measure temperature variations. The word "thermoscope" was used to describe Galileo's instrument, which essentially relied on the expansion and contraction of air in response to temperature changes. Over time, the concept and design of the thermoscope evolved, leading to the development of modern thermometers.
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