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1. Having no light.
2. Of or relating to the region of a body of water that is not reached by sunlight and in which photosynthesis is unable to occur.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Biology) characterized by or growing in the absence of light: an aphotic plant.
2. (Physical Geography) 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
[C20: from a-1 + -photic, from Greek phōs light]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Adj.||1.||aphotic - lacking light; especially not reached by sunlight; "the aphotic depths of the sea where no photosynthesis occurs"|
dark - devoid of or deficient in light or brightness; shadowed or black; "sitting in a dark corner"; "a dark day"; "dark shadows"; "dark as the inside of a black cat"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.