[ dil-uh-tom-i-ter ]
/ ˌdɪl əˈtɒm ɪ tər /

noun Physics.

a device for measuring expansion caused by changes in temperature in substances.

Origin of dilatometer

First recorded in 1880–85; dilate + -o- + -meter

Related forms

dil·a·to·met·ric [dil-uh-tuh-me-trik] /ˌdɪl ə təˈmɛ trɪk/, adjectivedil·a·to·met·ri·cal·ly, adverbdil·a·tom·e·try, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dilatometer

British Dictionary definitions for dilatometer


/ (ˌdɪləˈtɒmɪtə) /


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

Derived Forms

dilatometric (ˌdɪlətəˈmɛtrɪk), adjectivedilatometrically, adverbdilatometry, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012