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sphagnum
sphalerite
sphecid
sphen-
sphene
spheno-
sphenodon
sphenoid
sphenoid bone
spher-
sphere
sphere of influence
spherical
spherical aberration
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sphenoid bone
sphe·noid bone (plural sphe·noid bones)


noun 
Definition:
 
bone in skull: a bone with prominent wings at the base of the cranium. It forms part of the walls and roof of the nasal cavity.
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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