Meanings
Origin
From the cordite propellant used, which is composed of nitrocellulose and nitroglycerine, and express, due to the higher velocities available with cordite compared to black powder.
Full word history & related roots →Cite this entry
Nitro Express. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Nitro%20Express
“Nitro Express.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Nitro%20Express. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “Nitro Express,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Nitro%20Express.
Source: Nitro Express on Wiktionary, CC BY-SA 4.0.