dilatometer

[dil-uh-tom-i-ter]

dil·a·tom·e·ter

[dil-uh-tom-i-ter]
noun Physics.
a device for measuring expansion caused by changes in temperature in substances.

Origin:
1880–85; dilate + -o- + -meter

dil·a·to·met·ric [dil-uh-tuh-me-trik] , adjective
dil·a·to·met·ri·cal·ly, adverb
dil·a·tom·e·try, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Dilatometer is always a great word to know.
So is half-life. Does it mean:
the acceleration of a falling body in the earth's gravitational field, inversely proportional to the square of the distance from the body to the center of the earth
the time required for one half the atoms of a given amount of a radioactive substance to disintegrate
Collins
World English Dictionary
dilatometer (ˌdɪləˈtɒmɪtə)
 
n
any instrument for measuring changes in dimension: often a glass bulb fitted with a long stopper through which a capillary tube runs, used for measuring volume changes of liquids
 
dilatometric
 
adj
 
dilato'metrically
 
adv
 
dila'tometry
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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