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Definition of Aphotic

Babylon English

dark, lacking light
Aphotic Definition from Language, Idioms & Slang Dictionaries & Glossaries
hEnglish - advanced version

aphotic
\a*pho"tic\ (&adot;*fō"t&ibreve;k), a. [gr. 'a`fws, 'a`fwtos.] without light.


  similar words(1) 



 aphotic region 
WordNet 2.0

Adjective
1. lacking light; especially not reached by sunlight; "the aphotic depths of the sea where no photosynthesis occurs"
(similar) dark
Aphotic Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
The aphotic zone (aphotic from Greek prefix + "without light") is the portion of a lake or ocean where there is little or no sunlight. It is formally defined as the depths beyond which less than 1% of sunlight penetrates. Consequently, bioluminescence is essentially the only light found in this zone. Most food comes from dead organisms sinking to the bottom of the lake or ocean from overlying waters.

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Aphotic Definition from Society & Culture Dictionaries & Glossaries
Environmental Engineering (English ver.)
Defined as without light (Dark zone). 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. The Aphotic Zone of the ocean is the water deeper than about 800 meters (2,625 feet), beyond which no light penetrates. Aphotic zone is the zone in which most photosynthetic algae cannot survive, due to light deficiency. Contrast with Photic Zone.