Definition of “treble” - English Dictionary

“treble” in British English

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treblepredeterminer

uk /ˈtreb.əl/ us /ˈtreb.əl/ mainly UK

three times greater in amount, number, or size:

He earns almost treble the amount that I do.
Synonym

trebleverb [ I or T ]

uk /ˈtreb.əl/ us /ˈtreb.əl/ mainly UK

to increase three times in size or amount, or to make something do this:

The price of property has almost trebled in the last ten years.
Synonym

trebleadverb, adjective [ before noun ]

uk /ˈtreb.əl/ us /ˈtreb.əl/ mainly UK US usually soprano

treblenoun [ C ]

uk /ˈtreb.əl/ us /ˈtreb.əl/

(Definition of “treble” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“treble” in American English

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trebleverb [ I/T ]

us /ˈtreb·əl/ fml

treble verb [ I/T ] (THREE TIMES)

to become three times greater; triple:

[ I ] My property taxes have almost trebled in the last ten years.

treblenoun [ U ]

us /ˈtreb·əl/

treble noun [ U ] (MUSIC)

the higher musical notes:

The music was too loud, the treble rattling my eardrums.

(Definition of “treble” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“treble” in Business English

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trebleverb [ I or T ]

uk /ˈtrebl/ us

to increase to three times the size or amount, or to make something do this:

profits/sales/shares treble In its first six months, Camelot's profits trebled.
a cost/price trebles The price of property has almost trebled in the last two years.
They invested $2m in trebling capacity at their processing plant last year.
See also

(Definition of “treble” from the Cambridge Business English Dictionary © Cambridge University Press)