Dictionary
ni•tro
Pronunciation: (nī'trō), [key]—
adj.
Chem.containing the nitro group.
—
n.
nitroglycerin.
nitro-
a combining form used in the names of chemical compounds in which the nitro group is present:
nitroglycerin. Also, esp. before a vowel,nitr-.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.