therm

T1H4E1R1M3
UK/θɜːm/US/θɝm/

noun

A unit of heat equal to 100,000 British thermal units, often used in the context of natural gas.

OriginAncient Greek θερμός →
Less commonScrabble 10
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Meanings

therm1

nountherm (plural therms)

plural therms

  1. A unit of heat equal to 100,000 British thermal units, often used in the context of natural gas.

therm2

verbtherm (third-person singular simple present therms, present participle therming, simple past and past participle thermed)

present singular third person therms · participle present therming · participle past thermed · past thermed

  1. A technique used by woodturners to simultaneously create multiple copies of spindles and table legs.

Origin

therm · noun

  1. Ancient Greekθερμός“heat”
  2. Englishtherm

1920s, from Ancient Greek θερμός (thermós, “heat”). See also thermo-, -thermic, etc.

More words from Ancient Greek

Full word history & related roots →

therm · verb

Probably from English Hermes or English Terminus, ancient Gods whose statues would often have decoration characteristic of thermed work around their bases.

Full word history & related roots →

Rhymes & wordplay

Rhymes with therm

termfirmconfirmwormaffirmpermerminfirmdermbermhermsquirmwyrmfermchirmdegermdepermMongolian death wormribbon worm
All rhymes →
Cite this entry
APA

therm. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/therm

MLA

“therm.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/therm. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “therm,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/therm.

Source: therm on Wiktionary, CC BY-SA 4.0.