thermometers

[ther-mom-i-ter]

ther·mom·e·ter

[ther-mom-i-ter]
noun
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.

Origin:
1615–25; thermo- + -meter

ther·mo·met·ric [thur-muh-me-trik] , ther·mo·met·ri·cal, adjective
ther·mo·met·ri·cal·ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Thermometers is always a great word to know.
So is gobo. Does it mean:
a stew of meat, vegetables, potatoes, etc.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
American Heritage
Science Dictionary
thermometer   (thər-mŏm'ĭ-tər)  Pronunciation Key 
An instrument used to measure temperature. There are many types of thermometers; the most common consist of a closed, graduated glass tube in which a liquid expands or contracts as the temperature increases or decreases. Other types of thermometers work by detecting changes in the volume or pressure of an enclosed gas or by registering thermoelectric changes in a conductor (such as a thermistor or thermocouple).
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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