monostomatousadj.
/ˌmɒnə(ʊ)ˈstəʊmətəs/, /ˌmɒnə(ʊ)ˈstɒmətəs/, U.S. /ˌmɑnəˈstoʊmədəs/, /ˌmɑnəˈstɑmədəs/ Zoology.
Having only one mouth or opening; esp. (of a coral) solitary, not colonial.
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the world > animals > animal body > general parts > head and neck > [adjective] > having one mouth
monostomous1848
monostome1849
monostomatous1871
1871 Sci. Mem. 1 Feb. (1902) 207 It becomes provided with many ingestive apertures,..or with one only, which may or may not be distinct from the first aperture at the Gastrula (monostomatous).
1890 Cent. Dict. Monostomatous, having a single mouth, pore, or stoma; of or pertaining to the Monostomata.
1956 in R. C. Moore Treat. Invertebr. Paleontol. F. 249/1 Monostomatous, single-mouthed; refers to solitary coral polyps.
1966 Cnidaria & their Evol. (Symp. Zool. Soc., No. 160) 227 Asexual increase is accomplished on two distinct modes, one involving the production of monostomatous (monocentric) individuals.
1993 Zool. Mededelingen 67 13 The encrusting growth form is unique among monostomatous mushroom corals.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).
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adj.1871