vapour

noun, verb — 2 senses

vapour

noun

1

British standard spelling of vapor.

A mild vapour is thrown out, and not a hot steam; the invention appears to control the amount of the vapor, and and ^([sic]) even the force of the fire which produces it.1847, editorial staff, “Evaporation Grate”, in Scientific American, series 1, Volume 3, Issue 9, page 68:

vapour

verb

1

British standard spelling of vapor.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.