• synonyms


[hahy-drahyd, -drid]
  1. a binary compound formed by hydrogen and another, usually more electropositive, element or group, as sodium hydride, NaH, or methyl hydride, CH4.
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Origin of hydride

First recorded in 1840–50; hydr-2 + -ide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for hydride

Historical Examples

  • Water resolves it into hydride of ethyl, and other products.

    Cooley's Practical Receipts, Volume II

    Arnold Cooley

  • The gas is absorbed by the metal, forming the hydride (CaH2).

    Creative Chemistry

    Edwin E. Slosson

  • The light oil contains the most hydride of benzoyl, and the heavy oil the most benzoin.

  • Salicylol, Hydrosalicylic acid, Hydride of salicyl, Artificial oil of meadow-sweet.

  • The experiments have been made with the vapors of two very volatile liquids, namely, sulphuric ether and hydride of amyl.

British Dictionary definitions for hydride


  1. any compound of hydrogen with another element, including ionic compounds such as sodium hydride (NaH), covalent compounds such as borane (B 2 H 6), and the transition metal hydrides formed when certain metals, such as palladium, absorb hydrogen
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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

hydride in Medicine


  1. A compound of hydrogen with another, more electropositive element or group.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

hydride in Science


  1. A compound of hydrogen with another element or radical.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.