sphenoid

English

Etymology

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

Pronunciation

• IPA^(key): /ˈsfiː.nɔɪd/
• Rhymes: -ɔɪd

Adjective

sphenoid (not comparable)

1. Having a wedged shape.
2. (anatomy) 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.

Derived terms

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

 

Translations

wedge-shaped

• Bulgarian: клиновиден (klinoviden)
• Catalan: esfenoide (ca)
• Czech: klínový (cs) m
• Finnish: kiilamainen (fi)
• Russian: клиновидный (ru) m (klinovidnyj)
• Spanish: esfenoide

Noun

sphenoid (plural sphenoids)

1. (anatomy) The sphenoid bone.
2. (crystallography) A wedge-shaped crystal bounded by four equal isosceles triangles; the hemihedral form of a square pyramid.

Derived terms

• alisphenoid
• basisphenoid
• orbitosphenoid
• presphenoid
• sphenoidal

 

Translations

sphenoid bone — see sphenoid bone

References

• “sphenoid”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “sphenoid”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

Anagrams

• diphones, siphoned