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monostome

American  
[mon-uh-stohm] / ˈmɒn əˌstoʊm /
Also monostomous

adjective

  1. having a single mouth, pore, or stoma.


monostome British  
/ mɒˈnɒstəməs, ˈmɒnəˌstəʊm /

adjective

  1. zoology botany having only one mouth, pore, or similar opening

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of monostome

First recorded in 1840–50; mono- + -stome