What is the Latin word for gas?

The usual Latin words for “gas” are gas, lūmen, tubus. The right choice depends on the sense; see the distinctions below.

English → Latin

“gas” in Latin

gasgas (state of matter)lūmenlight, source of light; the eyes; daylight tubustube, pipe; trumpet used at sacrifices

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

gas

spiritus naturales (Vitr., 9, 9, 2, Rode), or, for distinctness, *gas, quod dicitur. Gas-lights, lumina, quae dant spiritus naturales per tubos circumfusi (after Sen., Ep., 90, 25). Gas-pipe, tubus, per quem circumfunduntur spiritus naturales (after Sen., ib.).

Quick answer

What is the Latin word for gas?: The usual Latin words for “gas” are gas, lūmen, tubus. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.