Definition of polypoid in English:


Line breaks: polyp|oid
Pronunciation: /ˈpɒlɪpɔɪd


  • 1 Zoology Relating to or resembling a polyp or hydra: a polypoid colonial form
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    • These attributes are obliterated when it undergoes metamorphosis into a sessile polypoid adult.
    • In its microstructure and gross anatomy, Hyolithelius is most similar to Byronia and to thecae of polypoid coronalids.
    • Byronia is most similar to thecae of polypoid coronalids, an extant group of scyphozoans that have been allied with conulariids.
  • 1.1Relating to or denoting the polyp stage in the life cycle of a coelenterate. Also called hydroid. Compare with medusoid.
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    • A life cycle including both polypoid and medusoid phases that can be separate in space and scarcely overlapping in time characterizes many hydrozoans and most scyphozoans.
    • The polypoid stage represents the asexual phase of its life cycle.
  • 2 Medicine (Of a growth) resembling or in the form of a polyp: a benign polypoid lesion
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    • Laryngoscopy revealed a polypoid lesion implanting on the anterior aspect of the subglottic cone.
    • Physical examination revealed a polypoid lesion at the right margin of the tongue.
    • Physical examination revealed a pedunculated polypoid mass measuring 0.5 cm in greatest dimension involving the midanterior two thirds of the right tongue blade.

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