What does "circalittoral" mean?

The region of the sublittoral zone which extends from the lower limit of the infralittoral to the maximum depth at which photosynthesis is still possible.

Circalittoral

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun

1
The region of the sublittoral zone which extends from the lower limit of the infralittoral to the maximum depth at which photosynthesis is still possible. uncountable

Adjective

1
Situated in this region of the sublittoral zone.

Etymology

From circa- + littoral.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.