Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A chemical group, NCO.
  • noun A salt, ester, or anion of isocyanic acid.
  • noun Any of various compounds that contain an isocyanate group, NCO. Isocyanates are used mainly in production of polyurethane and can cause respiratory disorders, especially asthma, if inhaled.

from The Century Dictionary.

  • noun A salt of isocyanic acid.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun chemistry the univalent radical -N=C=O (tautomeric with cyanate), and any of its hydrocarbyl derivatives R-N=C=O

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a salt or ester of isocyanic acid

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[isocyan(ic acid) + –ate.]

Examples

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