radial symmetry

radial symmetry

n.

Symmetrical arrangement of constituents, especially of radiating parts, about a central point.

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radially symmetrical adj.

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radial symmetry

Symmetrical arrangement of parts of an organism around a single main axis, so that the organism can be divided into similar halves by any plane that contains the main axis. The body plans of echinoderms, ctenophores, cnidarians, and many sponges and sea anemones show radial symmetry. Compare bilateral symmetry.

Thesaurus

Noun

1.

radial symmetry - the property of symmetry about an axis; "the starfish illustrates radial symmetry" symmetricalness, symmetry, correspondence, balance - (mathematics) an attribute of a shape or relation; exact reflection of form on opposite sides of a dividing line or plane radial asymmetry - the absence of symmetry about an axis