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from The American HeritageĀ® Dictionary of the English Language, 4th Edition

  • n. An instrument that measures the rate of water evaporation.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An instrument that measures the rate of evaporation of a liquid

from the GNU version of the Collaborative International Dictionary of English

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

from The Century Dictionary and Cyclopedia

  • n. An instrument, invented by Sir John Leslie, for measuring the amount of evaporation from a humid surface in a given time; an evaporometer.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an instrument that measures rate of evaporation of water


Greek atmos, vapor; see atmosphere + -meter.
(American Heritage® Dictionary of the English Language, Fourth Edition)


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