from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of, relating to, or arranged like rays or radii.
- adj. Radiating from or converging to a common center.
- adj. Having or characterized by parts so arranged or so radiating.
- adj. Moving or directed along a radius.
- adj. Anatomy Of, relating to, or near the radius or forearm.
- adj. Developing symmetrically about a central point.
- n. A radial part, such as a ray, spoke, or radius.
- n. A radial tire.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. arranged like rays that radiate from, or converge to a common centre
- adj. moving along a radius
- adj. of, or relating to the radius bone
- n. a radial tire / radial tyre
from the GNU version of the Collaborative International Dictionary of English
- adj. Of or pertaining to a radius or ray; consisting of, or like, radii or rays; radiated.
from The Century Dictionary and Cyclopedia
- Of or pertaining to a ray or a radius (or radii); having the character or appearance of a ray or a radius; grouped or appearing like radii or rays; shooting out as from a center; being or moving in the direction of the radius.
- Specifically— In anatomy, of or pertaining in any way to the radius (see radius, 2): as, the radial artery, nerve, vein; radial articulations or movements; the radial side or aspect of the arm, wrist, or hand; the radial group of muscles; the radial pronator or supinator.
- In zoology, rayed, radiate, or radiating; of or pertaining to the rays, arms, or radiating processes of an animal; relating to the radially disposed or actinomeric parts of the Radiata and similar animals. See cut under medisiform.
- In ichthyology, of or pertaining to the radialia. See radiale .
- In botany:
- Belonging to a ray, as of an umbel or of a flower-head in the Compositæ.
- Developing uniformly on all sides of the axis: opposed to bifacial or dorsiventral.
- n. A radiating or radial part: a ray.
- n. The fourth joint, counting from the base, of the pedipalp of a spider.
- n. In ichthyology, one of the cartilaginous rays supporting the median fins of elasmobranchs.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. arranged like rays or radii; radiating from a common center
- adj. issuing in rays from a common center; relating to rays of light
- n. pneumatic tire that has radial-ply casing
- adj. relating to or near the radius
- adj. relating to or moving along or having the direction of a radius
Middle English, from Medieval Latin radiālis, from Latin radius, ray.(American Heritage® Dictionary of the English Language, Fourth Edition)