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actinosome

noun
ac·​tin·​o·​some | \ ak-ˈti-nə-ˌsōm\
variants: or less commonly actinosoma \ ˌak-​tə-​(ˌ)nō-​ˈsō-​mə \
plural -s

Definition of actinosome

: the entire body of a simple or compound coelenterate

First Known Use of actinosome

1881, in the meaning defined above

History and Etymology for actinosome

actinosome from actin- + -some; actinosoma from New Latin, from actin- + -soma

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