noun · verb · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/θɜːm/
General-American:/θɝm/
rhymes with -ɜː(ɹ)m
CMU ARPABET:TH ER1 M
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A unit of heat equal to 100,000 British thermal units, often used in the context of natural gas.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
verb
Meaning 2
A technique used by woodturners to simultaneously create multiple copies of spindles and table legs.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
a unit of heat equal to 100,000 British thermal units
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: work unit, heat unit, energy unit
History
Etymology
1920s, from Ancient Greek θερμός (thermós, “heat”). See also thermo-, -thermic, etc.
Probably from English Hermes or English Terminus, ancient Gods whose statues would often have decoration characteristic of thermed work around their bases.