[ broh-mahyd or for 1, broh-mid ]
/ ˈbroʊ maɪd or for 1, ˈbroʊ mɪd /


  1. a salt of hydrobromic acid consisting of two elements, one of which is bromine, as sodium bromide, NaBr.
  2. a compound containing bromine, as methyl bromide.
Pharmacology. potassium bromide, known to produce central nervous system depression, formerly used as a sedative.
a platitude or trite saying.
a person who is platitudinous and boring.

Origin of bromide

1830–40; brom- + -ide; in defs 3, 4 from use of some bromides as sedatives


sub·bro·mide, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for bromide

British Dictionary definitions for bromide

/ (ˈbrəʊmaɪd) /


any salt of hydrobromic acid, containing the monovalent ion Br (bromide ion)
any compound containing a bromine atom, such as methyl bromide
a dose of sodium or potassium bromide given as a sedative
  1. a trite saying; platitude
  2. a dull or boring person

Word Origin for bromide

C19, C20 (cliché): from brom (ine) + -ide
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 bromide

[ brōmīd′ ]


A binary compound of bromine with another element, especially a salt containing monovalent negatively charged bromine.
Potassium bromide.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for bromide

[ brōmīd′ ]

A compound, such as potassium bromide, containing bromine and another element or radical.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.