| 单词 | warm front |
| 释义 | warm front[ wawrm-fruhnt ] / ˈwɔrm ˌfrʌnt / SEE SYNONYMS FOR warm front ON THESAURUS.COM noun Meteorology.a transition zone between a mass of warm air and the colder air it is replacing. Origin of warm frontFirst recorded in 1920–25 Words nearby warm frontwarm-down, warmed-over, warmed-up, war memorial, warmer-upper, warm front, warm heart, warm-hearted, warming pan, warminster broom, warmist Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for warm frontwarm front nounmeteorol the boundary between a warm air mass and the cold air above which it is rising, at a less steep angle than at the cold frontCompare cold front, occluded front 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 Scientific definitions for warm frontwarm front The forward edge of an advancing mass of warm air that rises over and replaces a retreating mass of cooler air. As it rises, the warm air cools and the water vapor in it condenses, usually forming steady rain, sleet, or snow. On a weather map, a warm front is depicted as a red line with half circles whose curved sides point in the direction in which the warm air is moving. Compare cold front occluded front. See illustration at front. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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