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Webster 1913 Edition


Tetrahedral

Tetˊra-he′dral

,
Adj.
[See
Tetrahedron
.]
1.
Having, or composed of, four sides.
2.
(Crystallog.)
(a)
Having the form of the regular tetrahedron.
(b)
Pertaining or related to a tetrahedron, or to the system of hemihedral forms to which the tetrahedron belongs.
Tetrahedral angle
(Geom.)
,
a solid angle bounded or inclosed by four plane angles.

Webster 1828 Edition


Tetrahedral

TETRAHE'DRAL

,
Adj.
[See Tetrahedron.]
1.
Having four equal triangles.
2.
In botany, having four sides, as a pod or silique.

Definition 2024


tetrahedral

tetrahedral

English

Adjective

tetrahedral (not comparable)

  1. in the shape of a tetrahedron
  2. having four faces, four apices and six edges

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