sphenoid
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English[edit]
Etymology[edit]
From New Latin sphenoides, from Ancient Greek σφηνοειδής (sphēnoeidḗs, “wedge-shaped”), from σφήν (sphḗn, “wedge”) + -ειδής (-eidḗs, “-form, -like”).
Pronunciation[edit]
Adjective[edit]
sphenoid (not comparable)
- Having a wedged shape.
- (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[edit]
- alisphenoid
- basisphenoid
- ethmosphenoid
- frontosphenoid
- intrasphenoid
- laterosphenoid
- mesosphenoid
- otosphenoidal
- parasphenoid
- pleurosphenoid
- presphenoid
- pterosphenoid
- spheno-
- sphenoethmoid
- sphenofrontal
- sphenoidal
- sphenoid bone
- sphenoidectomy
- sphenoidotomy
- sphenoid sinus
- sphenoid sinus
- sphenomandibular
- sphenomaxillary
- sphenooccipital
- sphenopalatine
- sphenoparietal
- sphenotemporal
- sphenotic
- sphenovomerine
- sphenozygomatic
- temporosphenoid
- transsphenoidal
- zygomaticosphenoid
Translations[edit]
wedge-shaped
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Noun[edit]
sphenoid (plural sphenoids)
- (anatomy) The sphenoid bone.
- (crystallography) A wedge-shaped crystal bounded by four equal isosceles triangles; the hemihedral form of a square pyramid.
Derived terms[edit]
Translations[edit]
sphenoid bone — see sphenoid bone
References[edit]
- “sphenoid”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
- “sphenoid”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.