We found 3 dictionaries that define the word nitro groups:

General (2 matching dictionaries)

1. nitro groups: Vocabulary.com
2. nitro groups: TheFreeDictionary.com

Computing (1 matching dictionary)

3. nitro groups: Encyclopedia

(Note: See nitro_group as well.)

Definitions from WordNet (nitro group) ▸ noun:  the group -NO3 ▸ Also see nitro_group ▸ Words similar to nitro groups ▸ Usage examples for nitro groups ▸ Idioms related to nitro groups ▸ Wikipedia articles (New!) ▸ Words that often appear near nitro groups ▸ Rhymes of nitro groups ▸ Invented words related to nitro groups