coe·len·ter·on
| \ si-ˈlen-tə-ˌrän
, -rən \
, -rən \
plural coelentera\
si-ˈlen-tə-rə
\
\
Definition of coelenteron
: the internal cavity of a cnidarian
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“Coelenteron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coelenteron. Accessed 3 Mar. 2021.
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Time Traveler for coelenteron
The first known use of coelenteron was in 1885
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