therm

or therme

[ thurm ]

nounPhysics.
  1. any of several units of heat, as one equivalent to 1000 large calories or 100,000 British thermal units.

Origin of therm

1
First recorded in 1885–90, therm is from the Greek word thérmē heat

Other definitions for therm- (2 of 4)

therm-

  1. variant of thermo- before a vowel: thermesthesia.

Other definitions for -therm (3 of 4)

-therm

  1. variant of thermo- as final element in compound words: isotherm.

Other definitions for therm. (4 of 4)

therm.

abbreviation
  1. thermometer.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use therm in a sentence

British Dictionary definitions for therm

therm

/ (θɜːm) /


noun
  1. British a unit of heat equal to 100 000 British thermal units. One therm is equal to 1.055 056 × 10 8 joules

Origin of therm

1
C19: from Greek thermē heat

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