3. Producing vapors; hence, windy; flatulent. Bacon. The food which is most vaporous and perspirable is the most easily digested. Arbuthnot.

4. Unreal; unsubstantial; vain; whimsical. Such vaporous speculations were inevitable. Carlyle.

VAPOROUSNESS
Va"por*ous*ness, n.

Defn: The quality of being vaporous.

VAPOR PRESSURE; VAPOR TENSION
Vapor pressure or tension . (Physics)

Defn: The pressure or tension of a confined body of vapor. The pressure of a given saturated vapor is a function of the temperature only, and may be measured by introducing a small quantity of the substance into a barometer and noting the depression of the column of mercury.

VAPORY
Va"por*y, a.

1. Full of vapors; vaporous.

2. Hypochondriacal; splenetic; peevish.

VAPULATION
Vap`u*la"tion, n. Etym: [L. vapulare to be