Symmetry surgical headquarters. In geometry, symmetry describes the balance a figure has. The concept of symmetry is commonly found in geometry. Heart shape, an equilateral triangle, and a rhombus are all examples of symmetry. This article describes symmetry from three perspectives: in mathematics, including geometry, the most familiar type of symmetry for many people; in science and nature; and in the arts, covering architecture, art, and music. The Editors of Encyclopaedia Britannica This article was most recently revised and updated by Adam Augustyn. Learn more. How to use symmetry in a sentence. Symmetry in nature underlies one of the most fundamental concepts of beauty. The meaning of SYMMETRY is balanced proportions; also : beauty of form arising from balanced proportions. Learn about lines of symmetry & more. lnd yah 1az uhkwn onw 3glrxw bwfzrp0 nskelk lm c9r