What is the meaning of Nitro?

the univalent NO2 functional group.

nitroglycerin, especially as medication.

A beer that is nitrogenated to give it a more creamy head.

nitromethane.

nitrogen, especially as liquid nitrogen.

Containing the nitro group.

interior

nitro (medical nitroglycerin)

nitre, saltpetre

Clipping of nitroglicerina (nitroglycerine).

first-person singular present indicative of nitrare

dative/ablative singular of nitrum

nitro

first-person singular present indicative of nitrar

Source: wiktionary.org