cheilostome

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noun chei·lo·stome \ˈkī-lə-ˌstōm\
variants: less commonly

chilostome

Definition of cheilostome

plural

cheilostomes

also

chilostomes

  1. :  a bryozoan of the order Cheilostomata Cheilostomes are a diverse group of predominantly sessile invertebrates that have been abundant on the sea floor for about 100 million years. — Jeremy B. C. Jackson and Alan H. Cheetham, Science, 4 May 1990

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Origin and Etymology of cheilostome

borrowed from New Latin Cheilostoma, singular of Cheilostomata cheilostomata


First Known Use: 1896


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