[noun bawr-eyt, -it, bohr-; verb bawr-eyt, bohr-]Chemistry


a salt or ester of boric acid.
(loosely) a salt or ester of any acid containing boron.

verb (used with object), bo·rat·ed, bo·rat·ing.

to treat with borate, boric acid, or borax.

Origin of borate

First recorded in 1810–20; bor- + -ate2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for borate

Historical Examples of borate

British Dictionary definitions for borate


noun (ˈbɔːreɪt, -ɪt)

a salt or ester of boric acid. Salts of boric acid consist of BO 3 and BO 4 units linked together

verb (ˈbɔːreɪt)

(tr) to treat with borax, boric acid, or borate
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

borate in Medicine




A salt or ester of boric acid.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

borate in Science



A salt or ester of boric acid, containing the radical BO3.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.