- lightless; dark.
Origin of aphotic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- characterized 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
C20: 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
Word Origin and History for aphotic
Online Etymology Dictionary, © 2010 Douglas Harper
- 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.
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