Definition of "nitro" in English

noun

1. (uncountable, chemistry) The univalent NO₂ functional group.

2. (uncountable, informal) Nitroglycerin, especially as medication.

3. (countable, informal) A beer that is nitrogenated to give it a more creamy head.

4. (uncountable, informal) Nitromethane.

5. (uncountable, informal) Nitrogen, especially as liquid nitrogen.

   • 8 April 2018 Chomp Squad, "You Can Handel It" Blaze, set the blasters to liquid nitro! We're gonna freeze this lava before it flows any further.

6. (uncountable, informal) Nitrous oxide; the system that adds nitrous oxide to a car engine; by extension, a boost mechanic to speed up cars in a video game.

adjective

1. (chemistry) Containing the nitro group.

   • Nitro compounds tend to be unstable and often explosive.