Atmometer, an instrument invented by Sir John Leslie for measuring the quantity of moisture exhaled in a given time from any humid surface.

Entry from Everybody's Cyclopedia, 1912.

At*mom"e*ter (#), n. [Gr. smoke, vapor + -meter: cf. F. atmometre.]

An instrument for measuring the rate of evaporation from a moist surface; an evaporometer.



© Webster 1913.

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