photic zone
noun Biology.
the upper layer of a body of water delineated by the depth to which enough sunlight can penetrate to permit photosynthesis.
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“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