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definitions

absolute humidity

noun
  1. the mass of water vapor present in a unit volume of moist air.
Compare dew point, mixing ratio, relative humidity, specific humidity.

Origin of absolute humidity

First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for absolute humidity

absolute humidity

noun
  1. the humidity of the atmosphere, usually expressed as the number of grams of water contained in 1 cubic metre of airCompare relative humidity
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
absolute humidity in Medicine

absolute humidity

n.
  1. The weight of water vapor present per unit volume of a gas or a mixture of gases.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
absolute humidity in Science

absolute humidity

  1. The amount of water vapor that is present in a unit volume of air, usually expressed in grams per cubic meter. Absolute humidity does not fluctuate with the temperature of the air. Compare relative humidity.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.