dictionary help| tetragon | medical dictionary |
1. <geometry> A plane figure having four sides and angles; a quadrangle, as a square, a rhombus, etc.
2. <astronomy> An aspect of two planets with regard to the earth when they are distant from each other ninety degrees, or the fourth of a circle.
Origin: L. Tetragonum, Gr.; (see Tetra-) + corner, angle: cf. F. Tetragone.
(01 Mar 1998)
tetraethylthiuram disulfide, tetragastrin, tetraglycine hydroperiodide < Prev | Next > tetragonal, tetragonus, tetragynia
Bookmark with:      | word visualiser | Go and visit our forums  |
