TETRAGONAL

tetragonal

(adjective) of or relating to or shaped like a quadrilateral

Source: WordNet® 3.1

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Etymology

Adjective

tetragonal (not comparable)

Having four sides, like a tetragon.

Synonym: quadrilateral

(crystallography) Having two equal axes and one unequal, and all angles 90°.

Coordinate terms

• triclinic

• monoclinic

• orthorhombic

• hexagonal

• rhombohedral

• cubic

Source: Wiktionary

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Te*trag"o*nal, a.

1. (Geom.)

Definition: Of or pertaining to a tetragon; having four angles or sides; thus, the square, the parallelogram, the rhombus, and the trapezium are tetragonal fingers.

2. (Bot.)

Definition: Having four prominent longitudinal angles.

3. (Crystallog.)

Definition: Designating, or belonging to, a certain system of crystallization; dimetric. See Tetragonal system, under Crystallization.

Source: Webster’s Unabridged Dictionary 1913 Edition

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