Pneumatocyst

Noun

Word Frequency: 0.0

Definitions

1.NounA sac or other structure containing air and used for flotation by a marine organism, chiefly used in reference to those of kelps and siphonophores.

Synonyms

pneumatopore float pneumatophore pneumatode physograde pseudosiphon lithocyst siphon paragaster siphonophore somatocyst shell sac

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