Thermometer vs. Thermoscope

Thermometernoun

An apparatus used to measure temperature.

Thermometernoun

An instrument for measuring temperature, founded on the principle that changes of temperature in bodies are accompanied by proportional changes in their volumes or dimensions.

Thermometernoun

measuring instrument for measuring temperature

Thermometer

A thermometer is a device that measures temperature or a temperature gradient (the degree of hotness or coldness of an object). A thermometer has two important elements: (1) a temperature sensor (e.g.

Thermoscopenoun

A scientific instrument that measures changes in temperature.

Thermoscopenoun

An instrument for indicating changes of temperature without indicating the degree of heat by which it is affected; especially, an instrument contrived by Count Rumford which, as modified by Professor Leslie, was afterward called the differential thermometer.

Thermoscope

A thermoscope is a device that shows changes in temperature. A typical design is a tube in which a liquid rises and falls as the temperature changes.