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borax

1
[ bawr-aks, -uhks, bohr- ]
/ ˈbɔr æks, -əks, ˈboʊr- /
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noun, plural bo·rax·es, bo·ra·ces [bawr-uh-seez, bohr-]. /ˈbɔr əˌsiz, ˈboʊr-/.
a white, water-soluble powder or crystals, hydrated sodium borate, Na2B4O7⋅10H2O, occurring naturally or obtained from naturally occurring borates; tincal: used as a flux, cleansing agent, in the manufacture of glass, porcelain, and enamel, and in tanning.
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Origin of borax

1
1350–1400; <Medieval Latin ≪ dialectal Arabic būraq<Middle Persian būrag; replacing Middle English boras<Middle French <Medieval Latin borax

Other definitions for borax (2 of 2)

borax2
[ bawr-aks, -uhks, bohr- ]
/ ˈbɔr æks, -əks, ˈboʊr- /

noun
cheap, showy, poorly made merchandise, especially cheaply built furniture of an undistinguished or heterogeneous style.

Origin of borax

2
An Americanism dating back to 1940–45; of uncertain origin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use borax in a sentence

British Dictionary definitions for borax

borax
/ (ˈbɔːræks) /

noun plural -raxes or -races (-rəˌsiːz)
Also called: tincal a soluble readily fusible white mineral consisting of impure hydrated disodium tetraborate in monoclinic crystalline form, occurring in alkaline soils and salt deposits. Formula: Na 2 B 4 O 7 .10H 2 O
pure disodium tetraborate

Word Origin for borax

C14: from Old French boras, from Medieval Latin borax, from Arabic būraq, from Persian būrah
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for borax

borax
[ bôrăks′, -əks ]

n.
Sodium borate.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for borax

borax
[ bôrăks′ ]

A white, crystalline powder and mineral used as an antiseptic, as a cleansing agent, and in fusing metals and making heat-resistant glass. The mineral is an ore of boron and also occurs in yellowish, blue, or green varieties. Chemical formula: Na2B4O7·10H2O.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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