Therm

//θɜːm// noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A unit of heat equal to 100,000 British thermal units, often used in the context of natural gas.
  2. 2
    a unit of heat equal to 100,000 British thermal units wordnet
Verb
  1. 1
    A technique used by woodturners to simultaneously create multiple copies of spindles and table legs.

Synonyms

All synonyms
calorie

Etymology

Etymology 1

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

Etymology 2

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

Related phrases

british thermal unit

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.