GNU Collaborative International Dictionary of English

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1.       
   Radial (rāˈdĭ‑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; (Zool.) radial vessels or canals; (Anat.) the radial artery”.
   
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   Radial symmetry. (Biol.) See under Symmetry.
   
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