aphotic

About 0.01 uses per million words.

Meaning

1. adjective Having no light, especially no sunlight.
2. adjective Describing that part of deep lakes and oceans where less than one per cent of sunlight penetrates and where photosynthesis is not possible.

Similar words

dark lightless anoxic opacous darkened azoic oxygenless oceanless anaerobic black

Often followed by

zone zones layer region and waters depths layers conditions