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Webster 1913 Edition


Hydroid

Hy′droid

,
Adj.
[
Hydra
+
-oid
.]
(Zool.)
Related to, or resembling, the hydra; of or pertaining to the Hydroidea.
Noun.
One of the Hydroideas.

Definition 2024


hydroid

hydroid

English

Noun

hydroid (plural hydroids)

  1. Any of many colonial coelenterates that exist mainly as a polyp; a hydrozoan

Adjective

hydroid (comparative more hydroid, superlative most hydroid)

  1. Of or pertaining to such creatures

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