[ ok-seem, -sim ]
/ ˈɒk sim, -sɪm /

noun Chemistry.

any of a group of compounds containing the group >C=NOH, produced by the condensation of ketones or aldehydes with hydroxylamine.

Nearby words

  1. oxidize,
  2. oxidized cellulose,
  3. oxidized glutathione,
  4. oxidizer,
  5. oxidoreductase,
  6. oximeter,
  7. oximetry,
  8. oxisol,
  9. oxlip,
  10. oxnard

Origin of oxime

First recorded in 1890–95; ox(ygen) + im(id)e

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for oxime


/ (ˈɒksiːm) /


any of a class of compounds with the general formula RR′NOH, where R is an organic group and R′ is either an organic group (ketoxime) or hydrogen atom (aldoxime): used in the chemical analysis of carbonyl compounds

Word Origin for oxime

C19: from ox (ygen) + im (id) e

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

Medicine definitions for oxime


[ ŏksēm ]


Any of a group of compounds formed by treating aldehydes or ketones with a nitrogen-containing reducing agent.

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