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Definition of borax

borax

/ˈbɔːr.æks/
bo · rax
Plural:boraxes
•
Adjective:boracic
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borax Lexical Profile

borax Game Scores & Validity

• noun

1

A white, crystalline mineral compound consisting of hydrated sodium borate, widely used as a household cleaning agent, water softener, and metallurgical flux.

Example

"She added a half cup of borax to the laundry to help remove the stubborn grease stains from the mechanic's uniform."

2

A native mineral occurring naturally as crusts in alkaline lakes or as a powdery efflorescence on the soil in arid, desert regions.

Example

"During the late nineteenth century, workers used large mule teams to haul tons of borax from the dry lake beds of Death Valley."

Synonyms
View all synonyms for borax

• Rhymes for borax

• Nearby Words

boot
booth
borage
borax
bordeaux
borer
borlotti bean

Word Origin & Etymology

From Middle English 'boras', via Old French and Medieval Latin 'baurach', from Arabic 'bawraq', ultimately from Persian 'būrah'.

Cite this Entry

Wordmom. (2026). Definition of Borax. In Wordmom Dictionary. Retrieved Oct 18, 2026, from https://wordmom.com/dictionary/borax
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