without light; specif., pertaining to that part (aphotic zone) of the ocean below a depth of c. 100 m (c. 328 ft) which does not receive sufficient sunlight for photosynthesis
Origin of aphotica- + photic
- Having no light.
- 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.
(comparative more aphotic, superlative most aphotic)
a- + photic