| 释义 |
radial symmetry
radial symmetryn. Symmetrical arrangement of constituents, especially of radiating parts, about a central point.
radially symmetrical adj.radial symmetry n (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
n. 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. [1885–90] ra·di·al symmetry (rā′dē-əl) 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.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 planeradial asymmetry - the absence of symmetry about an axis |
radial symmetry
radial symmetry[′rād·ē·əl ′sim·ə·trē] (science and technology) An arrangement of usually similar parts in a regular pattern around a central axis. radial symmetryBalanced elements that radiate from a central point.  See also: Symmetryradial symmetry
symmetry [sim´ĕ-tre] correspondence in size, form, and arrangement of parts on opposite sides of a plane, or around an axis. adj., adj symmet´rical.bilateral symmetry the configuration of an irregularly shaped body (such as the human body or that of higher animals) that can be divided by a longitudinal plane into halves that are mirror images of each other.radial symmetry that in which the body parts are arranged regularly around a central axis.radial symmetryn. Symmetrical arrangement of constituents, especially of radiating parts, about a central point.
radially symmetrical adj.radial symmetry an animal body structure in which any section through the mouth and down the body length divides the body into identical halves. Coelenterates, ctenophores (sea gooseberries) and echinoderms are all radially symmetrical. Compare BILATERAL SYMMETRY.radial symmetry
Antonyms for radial symmetrynoun the property of symmetry about an axisRelated Words- symmetricalness
- symmetry
- correspondence
- balance
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