coelenteron

noun

coe·len·ter·on | \ si-ˈlen-tə-ˌrän

How to pronounce coelenteron (audio)

, -rən\

plural coelentera\ si-ˈlen-tə-rə

How to pronounce coelentera (audio)

\

Definition of coelenteron

: the internal cavity of a cnidarian

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The first known use of coelenteron was in 1885

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