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 of nitro-

combining form of Greek nítron. See niter

Words nearby nitro-

nitrituria, nitro, nitro compound, nitro dye, nitro group, nitro-, nitro-chalk, nitrobacteria, nitrobenzene, nitroblue tetrazolium test, nitrocellulose

British Dictionary definitions for nitro-

nitro-

before a vowel nitr-

combining form

indicating that a chemical compound contains a nitro group, -NO 2 nitrobenzene
indicating that a chemical compound is a nitrate ester nitrocellulose

Word Origin for nitro-

from Greek nitron natron

Medical definitions for nitro-

nitro-

pref.

Nitrate; nitrogen:nitrogenase.
Containing the univalent radical NO2:nitrous.