1 [bawr-aks, -uhks, bohr-]
noun, plural boraxes, boraces [bawr-uh-seez, bohr-] .
a white, water-soluble powder or crystals, hydrated sodium borate, Na 2 B 4 O 7 ⋅10H 2 O, 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.

1350–1400; < Medieval Latindialectal Arabic būraq < Middle Persian būrag; replacing Middle English boras < Middle French < Medieval Latin borax Unabridged


2 [bawr-aks, -uhks, bohr-] .
cheap, showy, poorly made merchandise, especially cheaply built furniture of an undistinguished or heterogeneous style.

1940–45, Americanism; of uncertain origin Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
borak or borax (ˈbɔːrək, ˈbɔːræks)
1.  rubbish; nonsense
2.  poke borak at someone to jeer at someone
[from a native Australian language]
borax or borax
[from a native Australian language]

borax (ˈbɔːræks)
n , pl -raxes, -races
1.  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: Na2B4O7.10H2O
2.  pure disodium tetraborate
[C14: from Old French boras, from Medieval Latin borax, from Arabic būraq, from Persian būrah]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

late 14c., from Anglo-Fr. boras, from M.L. baurach, from Arabic buraq, Pers. burah.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

borax bo·rax1 (bôr'āks', -əks)
Sodium borate.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
borax   (bôr'āks')  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
No adverse effects from inhaling borax have been reported.
The refining of borax to boric acid is a straightforward procedure, but another with some room for improvement.
Sprinkle salt and borax on the fleshy part of the tail.
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