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Butterfly-shaped bone at the base of the skull
Answer for the clue "Butterfly-shaped bone at the base of the skull ", 8 letters:
sphenoid
Alternative clues for the word sphenoid
Word definitions for sphenoid in dictionaries
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Sphenoid \Sphe"noid\, n. (Crystallog.) A wedge-shaped crystal bounded by four equal isosceles triangles. It is the hemihedral form of a square pyramid. (Anat.) The sphenoid bone.
Wiktionary
Word definitions in Wiktionary
a. 1 wedge-shaped. 2 (context anatomy English) Of or relating to the sphenoid bone. n. 1 (context anatomy English) The sphenoid bone. 2 (context crystallography English) A wedge-shaped crystal bounded by four equal isosceles triangles; the hemihedral form ...
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
1732, from spheno- + -oid . As a noun from 1828. Related: Sphenoidal .
Wikipedia
Word definitions in Wikipedia
Sphenoid may refer to: sphenoid bone , a bone in anatomy sphenoid (geometry) , a tetrahedron with 2-fold mirror or rotation symmetry