radial symmetry

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radial symmetry

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

radially symmetrical adj.

radial symmetry

(Biology) a type of structure of an organism or part of an organism in which a vertical cut through the axis in any of two or more planes produces two halves that are mirror images of each other. Compare bilateral symmetry

ra′dial sym′metry

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.

ra·di·al symmetry

The arrangement of similar forms or features around a central point. The bodies of echinoderms, such as starfish and sea urchins, are radially symmetrical. Compare bilateral symmetry.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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
References in periodicals archive ?
I explained that radial symmetry is a type of balance where parts of an object or picture radiate or revolve around a central point, like the spokes on a bike wheel or a sliced-up pizza.
i) A highly effective set of features to be extracted from iris images [based on the radial symmetry transform (RST)] and;
Radial symmetry is often used as a counterpoint, though its use in interior design is less frequent that the first two methods.
We can see radial symmetry through the homogeneity of the trees on roadsides and walking tracks in the park, while the non-symmetrical green hills and curved lines in some areas and flowers are the natural characteristics," said Abdul Karim.
Some secondary objectives of this study are to check the radial symmetry of the lens vignetting, the noninfluence of the reflectance of the targets on the determined vignetting effect, and, finally, to verify the mapping function of the fisheye lens.
According to Stewart, "While most animals have bilateral symmetry and some show a radial symmetry, asymmetries are actually relatively common in nature.
After leaf and petal fall, Up and down the graying bones, The innate structure of the flowers, You can see it when the finery is gone: How their blooming plans itself: Queen Anne--compound umbel, Exponential, known to sweep Entire fields in lacy white, coup After coup of radial symmetry.