nitro-
| a combining form used in the names of chemical compounds in which the nitro group is present: nitroglycerin. |
Also,
especially before a vowel, nitr-.
Origin: comb. form of Gk
nítron. See niter 
nitr-
pref. Variant of nitro-. |
nitro- or nitr-
pref. Nitrate; niter: nitrobacterium. Nitrogen: nitrile. Containing the univalent group NO2: nitromethane.
[New Latin, from Latin nitrum, natron; see niter.] |
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary
nitro- or nitr-
pref.
Nitrate; nitrogen: nitrogenase.
Containing the univalent radical NO2: nitrous.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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