单词 | smog |
释义 | smog[ smog, smawg ] / smɒg, smɔg / SEE SYNONYMS FOR smog ON THESAURUS.COM nounsmoke or other atmospheric pollutants combined with fog in an unhealthy or irritating mixture. photochemical smog. verb (used with object)to cover or envelop with or as if with smog. Origin of smog1900–05; sm(oke) + (f)og1 OTHER WORDS FROM smogsmogless, adjectivede·smog, verb (used with object), de·smogged, de·smog·ging.Words nearby smogS.M.M., smock, smock frock, smocking, smock mill, smog, smogbound, smoggy, smokable, smoke, smoke and mirrors Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for smogBritish Dictionary definitions for smogsmog / (smɒɡ) / nouna mixture of smoke, fog, and chemical fumes Derived forms of smogsmoggy, adjectiveWord Origin for smogC20: from sm (oke + f) og 1 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 Cultural definitions for smogsmog A haze or fog composed of water vapor, complex molecules, and suspended particles. notes for smogIn North America, the primary cause of smog is pollution from automobile exhaust. notes for smogThe Los Angeles basin, where pollutants can be trapped by inversions and the surrounding mountains, has frequent problems with smog, as do other major urban areas. notes for smogThe word smog is a combination of smoke and fog. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for smogsmog [ smŏg ] n.Fog that has become mixed and polluted with smoke. A form of air pollution produced when sunlight causes hydrocarbons and nitrogen oxides from automotive emissions to combine in a photochemical reaction. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for smogsmog [ smŏg ] A form of air pollution produced by the reaction of sunlight with hydrocarbons, nitrogen compounds, and other gases primarily released in automobile exhaust. Smog is common in large urban areas, especially during hot, sunny weather, where it appears as a brownish haze that can irritate the eyes and lungs. Ozone, a toxic gas that is not normally produced at lower atmospheric levels, is one of the primary pollutants created in this kind of smog. Also called photochemical smog Fog that has become polluted with smoke and particulates, especially from burning coal. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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