Te*trag"o*nal (?), a.

1. Geom.

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.

Having four prominent longitudinal angles.

3. Crystallog.

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


© Webster 1913.

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