rhizostomen.

Brit.

/ˈrʌɪzəstəʊm/, U.S.

/ˈraɪzəˌstoʊm/

Origin: Formed within English, by compounding; perhaps modelled on a Latin lexical item, or perhaps modelled on a French lexical item. Etymons: rhizo- comb. form, -stome comb. form.

Etymology: < rhizo- comb. form + -stome comb. form, after either scientific Latin Rhizostoma, genus name (see Rhizostoma n.) or French rhizostome (see Rhizostoma n.). In later use perhaps also partly after scientific Latin Rhizostomeae (or Rhizostomae), order name.

Zoology.

Any jellyfish of the scyphozoan order Rhizostomeae (or Rhizostomae), characterized by having eight highly branched oral arms containing numerous tiny suctorial mouths, and by a lack of tentacles. Frequently attributive.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Scyphozoa > order Discomedusae > genus Rhizostoma

rhizostome1809

1809 Belfast Monthly Mag. Aug. 140/2 Many living rhizostomes take in small animals by these four apertures.

1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 783 Some Rhizostome genera also possess ‘nettle-bulbs’, stalked processes with or without a terminal opening.

1938 Ecol. Monogr. 8 636 Rhizostomes were often swept into Apalachicola Bay on currents from the Gulf of Mexico.

2000 C. Tudge Variety of Life ii. vi. 222 Rhizostome medusae may be small or large and they swim vigorously through mainly tropical seas.

This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).

单词	rhizostome
释义	rhizostomen. Brit. /ˈrʌɪzəstəʊm/, U.S. /ˈraɪzəˌstoʊm/ Origin: Formed within English, by compounding; perhaps modelled on a Latin lexical item, or perhaps modelled on a French lexical item. Etymons: rhizo- comb. form, -stome comb. form. Etymology: < rhizo- comb. form + -stome comb. form, after either scientific Latin Rhizostoma, genus name (see Rhizostoma n.) or French rhizostome (see Rhizostoma n.). In later use perhaps also partly after scientific Latin Rhizostomeae (or Rhizostomae), order name. Zoology. Any jellyfish of the scyphozoan order Rhizostomeae (or Rhizostomae), characterized by having eight highly branched oral arms containing numerous tiny suctorial mouths, and by a lack of tentacles. Frequently attributive. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Scyphozoa > order Discomedusae > genus Rhizostoma rhizostome1809 1809 Belfast Monthly Mag. Aug. 140/2 Many living rhizostomes take in small animals by these four apertures. 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 783 Some Rhizostome genera also possess ‘nettle-bulbs’, stalked processes with or without a terminal opening. 1938 Ecol. Monogr. 8 636 Rhizostomes were often swept into Apalachicola Bay on currents from the Gulf of Mexico. 2000 C. Tudge Variety of Life ii. vi. 222 Rhizostome medusae may be small or large and they swim vigorously through mainly tropical seas. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < n.1809
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