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actinobranch

noun ac·tin·o·branch \ ak-ˈti-nə-ˌbraŋk \
variants: or actinobranchia \¦ak-tə-(ˌ)nō-ˈbraŋ-kē-ə\

Definition of actinobranch

plural -s
:a gill-like organ of certain Anthozoa

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Origin and Etymology of actinobranch

New Latin actinobranchia, from actin- + branchia

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