| 单词 | heat lightning |
| 释义 | heat lightningSEE SYNONYMS FOR heat lightning ON THESAURUS.COM nounlightning too distant for thunder to be heard, observed as diffuse flashes near the horizon on summer evenings. Origin of heat lightningAn Americanism dating back to 1825–35 Words nearby heat lightningheating element, heating pad, heat island, heat-labile, heat lamp, heat lightning, Heat-Moon, heat of combustion, heat of condensation, heat of formation, heat of fusion Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for heat lightningBritish Dictionary definitions for heat lightningheat lightning nounflashes of light seen near the horizon, esp on hot evenings: reflections of more distant lightning 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 heat lightningheat lightning Intermittent flashes of reddish or orange light near the horizon, usually seen on a hot summer evening and unaccompanied by thunder. Heat lightning is thought to be the reflection of distant lightning on clouds. Its color is believed to be due to the refraction of light in the atmosphere. See also sheet lightning. See more at lightning. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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