anchialine

adjective
an·​chia·​line | \ ˈaŋ-kē-ə-ˌlīn How to pronounce anchialine (audio) , -lən\

Definition of anchialine

: having an underground connection to a larger tidal body (such as the sea) but no surface connection anchialine pools Located on an island in The Abacos, the fauna in this seawater-flooded anchialine cave is among the richest and most diverse in the world.Seed, June/July 2006

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First Known Use of anchialine

1984, in the meaning defined above

History and Etymology for anchialine

Greek anchíalos “near the sea, sea-girt” (from anchí “near” + -alos, derivative of háls “sea”) + -ine entry 1

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The first known use of anchialine was in 1984

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