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Webster 1913 Edition


Sphenoid

Sphe′noid

,
Adj.
[Gr. [GREEK][GREEK][GREEK];
σφήν
a wedge +
εἶδοσ
form: cf. F.
sphénoïde
.]
1.
Wedge-shaped;
as, a
sphenoid
crystal
.
2.
(Anat.)
Of or pertaining to the sphenoid bone.
Sphenoid bone
(Anat.)
,
an irregularly shaped bone in front of the occipital in the base of the skull of the higher vertebrates. It is composed of several fetal bones which become united the adult. See
Alisphenoid
,
Basisphenoid
,
Orbitosphenoid
,
Presphenoid
.

Sphe′noid

,
Noun.
1.
(Crystallog.)
A wedge-shaped crystal bounded by four equal isosceles triangles. It is the hemihedral form of a square pyramid.
2.
(Anat.)
The sphenoid bone.

Webster 1828 Edition


Sphenoid

SPHENOID

, SPHENOID'AL,
Adj.
Resembling a wedge. The spenoid bone, is the pterygoid bone of the basis of the skull.

Definition 2024


sphenoid

sphenoid

English

Adjective

sphenoid (not comparable)

  1. Wedge-shaped.
  2. (anatomy) Of or relating to the sphenoid bone.

Translations

Noun

sphenoid (plural sphenoids)

  1. (anatomy) The sphenoid bone.
  2. (crystallography) A wedge-shaped crystal bounded by four equal isosceles triangles; the hemihedral form of a square pyramid.

Derived terms

Translations

Anagrams