noun · 17 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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/tʌn/
US:Recorded audio is listed in the source snapshot.
Australia:Recorded audio is listed in the source snapshot.
Ireland, Northern-England:/tʊn/
rhymes with -ʌn
UK:/tɔ̃/
UK:/tɒn/
Southern-England:Recorded audio is listed in the source snapshot.
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:T AH1 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
Any of various units of mass, originally notionally equal to the contents of a tun
The short ton of 2000 pounds (about 907 kg), 20 hundredweights of 100 pounds avoirdupois each.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Any of various units of mass, originally notionally equal to the contents of a tun
The long ton of 2240 pounds (about 1016 kg), 20 hundredweights of 112 pounds avoirdupois each.
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
Any of various units of mass, originally notionally equal to the contents of a tun
The metric ton of 1000 kilograms (about 2205 lb), 10 quintals of 100 kilograms each.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: tonne, metric ton, megagram
Antonyms: none provided
4
noun
Meaning 4
Any of various units of volume, originally notionally equal to the contents of a tun
The measurement ton of (US) 40 or (UK) 42 cubic feet (about 1.1 or 1.2 m3).
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
Any of various units of volume, originally notionally equal to the contents of a tun
The register ton of 100 cubic feet (about 2.83 m3).
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
noun
Meaning 6
Any large, excessive, or overwhelming amount of anything.
Definition source: English Wiktionary via Wiktextract
A unit of thermal power equal to 12,000 BTU/h (about 3.5 kW), approximating the idealized rate of cooling provided by uniform isothermal melting of 1 short ton of ice per day at 0°C.
Definition source: English Wiktionary via Wiktextract
Examples
Their main problem is that they somehow believe that a 12-ton unit can handle this entire building.
Meaning relationships
Synonyms: ton of refrigeration, refrigeration ton, TR, RT
Antonyms: none provided
8
noun
Meaning 8
Synonym of hundred
100 pounds sterling.
Definition source: English Wiktionary via Wiktextract
Usage: UK, colloquial
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
9
noun
Meaning 9
Synonym of hundred
100 points.
Definition source: English Wiktionary via Wiktextract