English Explanatory Dictionary

sphenoid

English dictionary entry

Meanings

adj
  1. Having a wedge shape.
  2. Of or relating to the sphenoid bone which forms the base of the cranium, behind the eye and below the front part of the brain. It has two pairs of broad lateral ‘wings’ and a number of other projections, and contains two air-filled sinuses.
noun
  1. The sphenoid bone.
  2. A wedge-shaped crystal bounded by four equal isosceles triangles; the hemihedral form of a square pyramid.

Pronunciation

/ˈsfiː.nɔɪd/ LL-Q1860 (eng)-Vealhurl-sphenoid.wav

Word forms

sphenoid sphenoids

Etymology

From New Latin sphenoides, from Ancient Greek σφηνοειδής (sphēnoeidḗs, “wedge-shaped”), from σφήν (sphḗn, “wedge”) + -ειδής (-eidḗs, “-form, -like”).

Derived words

alisphenoid basisphenoid presphenoid sphenoidal disphenoid ethmosphenoid frontosphenoid intrasphenoid laterosphenoid mesosphenoid otosphenoidal parasphenoid pleurosphenoid postsphenoid pterosphenoid spheno- sphenocorona sphenoethmoid sphenofrontal sphenoidal sinus sphenoid bone sphenoidectomy sphenoidotomy sphenoid sinus sphenomandibular sphenomaxillary sphenooccipital sphenopalatine sphenoparietal sphenotemporal sphenotic sphenovomerine sphenozygomatic temporosphenoid transsphenoidal zygomaticosphenoid orbitosphenoid

Translations

Bulgarian: клиновиден Catalan: esfenoide Czech: klínový Finnish: kiilamainen Russian: клиновидный Spanish: esfenoide
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