Sphenoid may refer to:
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Sphenoid bone
The sphenoid bone is an unpaired bone of the neurocranium. It is situated in the middle of the skull towards the front, in front of the basilar part of occipital bone, basilar part of the occipital bone. The sphenoid bone is one of the seven bones ...
, a bone in anatomy
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Sphenoid (geometry), a tetrahedron with 2-fold mirror or rotation symmetry
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