sphenoid
Americanadjective
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being in the shape of a wedge; wedge-shaped.
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Anatomy. of or relating to the compound bone of the base of the skull, at the roof of the pharynx.
noun
adjective
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wedge-shaped
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of or relating to the sphenoid bone
noun
Other Word Forms
- postsphenoid adjective
- presphenoid adjective
- subsphenoid adjective
- subsphenoidal adjective
- supersphenoid adjective
- supersphenoidal adjective
Etymology
Origin of sphenoid
1725–35; < New Latin sphēnoīdēs < Greek sphēnoeidḗs. See sphen-, -oid
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
I watched mine perform a complicated skull-based surgery — the removal of a sphenoid meningioma.
From Salon • Nov. 20, 2022
The eight cranial bones are the frontal bone, two parietal bones, two temporal bones, occipital bone, sphenoid bone, and the ethmoid bone.
From Textbooks • Jun. 9, 2022
Figure 29.7 The cranial bones, including the frontal, parietal, and sphenoid bones, cover the top of the head.
From Textbooks • Jun. 9, 2022
Figure 16.8 Pituitary Tumor The pituitary gland is located in the sella turcica of the sphenoid bone within the cranial floor, placing it immediately inferior to the optic chiasm.
From Textbooks • Jun. 19, 2013
Pterion, tē′ri-on, n. in craniometry, the region where the frontal, squamosal, parietal, and sphenoid bones meet:—pl.
From Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
