A circle has radial symmetry, a square does not.
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Radial symmetry — Radial Ra di*al (r[=a] d[i^]*al), a. [Cf. F. radial. See {Radius}.] Of or pertaining to a radius or ray; consisting of, or like, radii or rays; radiated; as, (Bot.) radial projections; (Zo[ o]l.) radial vessels or canals; (Anat.) the radial… … The Collaborative International Dictionary of English
radial symmetry — n the condition of having similar parts regularly arranged around a central axis radially symmetrical adj * * * symmetry in which the body parts are arranged regularly around a central axis … Medical dictionary
radial symmetry — noun the property of symmetry about an axis the starfish illustrates radial symmetry • Ant: ↑radial asymmetry • Hypernyms: ↑symmetry, ↑symmetricalness, ↑correspondence, ↑balance … Useful english dictionary
radial symmetry — Symmetry along many longitudinal planes all passing through a central axis, e.g. the leaves of a flush … Expanded glossary of Cycad terms
radial symmetry — Biol. a basic body plan in which the organism can be divided into similar halves by passing a plane at any angle along a central axis, characteristic of sessile and bottom dwelling animals, as the sea anemone and starfish. Cf. bilateral symmetry … Universalium
radial symmetry — noun chiefly Biology symmetry about a central axis, as in a starfish … English new terms dictionary
radial symmetry — ra′dial sym′metry n. dvl bio a basic body plan in which the organism can be divided into similar halves by passing a plane at any angle along a central axis Compare bilateral symmetry • Etymology: 1885–90 … From formal English to slang
radial symmetry — noun Date: 1872 the condition of having similar parts regularly arranged around a central axis • radially symmetrical adjective … New Collegiate Dictionary
Radial — Ra di*al (r[=a] d[i^]*al), a. [Cf. F. radial. See {Radius}.] Of or pertaining to a radius or ray; consisting of, or like, radii or rays; radiated; as, (Bot.) radial projections; (Zo[ o]l.) radial vessels or canals; (Anat.) the radial artery.… … The Collaborative International Dictionary of English
Symmetry — Sym me*try, n. [L. symmetria, Gr. ?; sy n with, together + ? a measure: cf. F. sym[ e]trie. See {Syn }, and {Meter} rhythm.] 1. A due proportion of the several parts of a body to each other; adaptation of the form or dimensions of the several… … The Collaborative International Dictionary of English
