'Vapour' in the Bible

When He doth diminish droppings of the waters, They refine rain according to its vapour,

Fire and hail, snow and vapour, Whirlwind doing His word;

and I will give wonders in the heaven above, and signs upon the earth beneath -- blood, and fire, and vapour of smoke,

who do not know the thing of the morrow; for what is your life? for it is a vapour that is appearing for a little, and then is vanishing;