the upper layer of a body of water delineated by the depth to which enough sunlight can penetrate to permit photosynthesis.
CAN YOU ACE THIS QUIZ ABOUT “COMPLIMENT” VS. “COMPLEMENT”?
Take this quiz to see if you really know the difference between “compliment” and “complement"!
Question 1 of 11
“Compliment” and “complement” had a shared meaning a long time ago, but today they are no longer interchangeable.
Origin of photic zone
First recorded in 1970–75
Words nearby photic zone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020