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)
adjective
dilatometrically (ˌdilatoˈmetrically)
adverb
dilatometry (ˌdilaˈtometry)
noun
dilatometer in American English
(ˌdɪləˈtɑmətər)
noun
an instrument for measuring volume changes in order to determine the transition points between phases