sphenoid

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Pronunciation

/ˈsfiː.nɔɪd/

Definition of sphenoid

4 senses · 2 parts of speech · etymology included

adj

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adj

(not-comparable)Having a wedge shape.
(not-comparable)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

The sphenoid bone.
A wedge-shaped crystal bounded by four equal isosceles triangles; the hemihedral form of a square pyramid.

Definitions from Wiktionary, CC BY-SA.

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

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200+ playable · top: SIPHONED (14 pts)

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