单词 | water vapor |
释义 | water vapornouna dispersion, in air, of molecules of water, especially as produced by evaporation at ambient temperatures rather than by boiling.Compare steam (def. 2). Origin of water vaporFirst recorded in 1875–80 Words nearby water vaporwater-trap stomach, water treatment, water-tube boiler, water turbine, water turkey, water vapor, water vapour, water-vascular system, Waterville, Watervliet, water vole Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for water vaporScientific definitions for water vaporwater vapor Water in its gaseous state, especially in the atmosphere and at a temperature below the boiling point. Water vapor in the atmosphere serves as the raw material for cloud and rain formation. It also helps regulate the Earth's temperature by reflecting and scattering radiation from the Sun and by absorbing the Earth's infrared radiation. See also vapor. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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