Dictionary.com
Thesaurus.com

therm

1 American  
[thurm] / θɜrm /
Or therme

noun

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


therm- 2 American  
  1. variant of thermo- before a vowel.

    thermesthesia.


-therm 3 American  
  1. variant of thermo- as final element in compound words.

    isotherm.


therm. 4 American  

abbreviation

  1. thermometer.


therm British  
/ θɜːm /

noun

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

"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

Etymology

Origin of therm

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A therm of gas delivered to the UK was assumed to cost 74 pence.

From BBC

The benchmark UK gas price rose above 165p a therm on Tuesday, which it last traded at a year after the start of the Ukraine war.

From BBC

They burn up to 90,000 therms a day to feed a 7.5-mile network of pipes that provide steam, hot water and emergency electricity for the campus, including a hospital and laboratories.

From Seattle Times

In August, the UK benchmark price for gas for delivery the following day peaked at 550p a therm.

From BBC

In recent days, the price paid per therm of gas has reached above £4, compared with an average so far of £2.60.

From BBC