Etymology

acanthopore

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Today it means: A tubular spine in some bryozoans. Full definition →

First used First attested in the mid 19th century.
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The story

From acantho- + -pore (“opening”).

First known use, by meaning

  • First attested in the mid 19th century. A tubular spine in some bryozoans.

Etymology from Wiktionary, CC BY-SA 4.0.