Advertisement

vapour (n.)

chiefly British English spelling of vapor; see -or.

Others are reading

Advertisement
Definitions of vapour from WordNet

vapour (n.)
a visible suspension in the air of particles of some substance;
Synonyms: vapor
vapour (n.)
the process of becoming a vapor;
Synonyms: vaporization / vaporisation / vapor / evaporation
From wordnet.princeton.edu