| 单词 | aphotic |
| 释义 | aphotic[ ey-foh-tik ] / eɪˈfoʊ tɪk / SEE SYNONYMS FOR aphotic ON THESAURUS.COM adjectivelightless; dark. Origin of aphoticFirst recorded in 1900–05; a-6 + photic Words nearby aphoticaphonic, aphorism, aphorist, aphoristic, aphorize, aphotic, aphrasia, aphrodisia, aphrodisiac, Aphrodite, Aphrodite Terra Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for aphoticaphotic / (əˈfɒtɪk) / adjectivecharacterized by or growing in the absence of lightan aphotic plant of or relating to the zone of an ocean below that to which sunlight can penetrate, usually about 90m (300 ft). This is the lowest level at which photosynthesis can take place Word Origin for aphoticC20: from a- 1 + -photic, from Greek phōs light 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 aphoticaphotic [ ā-fō′tĭk ] Having no light. Relating to the region of a body of water that is not reached by sunlight and in which photosynthesis is unable to occur. Compare photic. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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