radius
Pronunciation
  • enPR: rā'-dē-əs, IPA: /ˈɹeɪ.di.əs/
Noun

radius (plural radii)

  1. (anatomy) The long bone in the forearm, on the side of the thumb.
  2. (zoology) The lighter bone (or fused portion of bone) in the forelimb of an animal.
  3. (entomology) One of the major veins of the insect wing, between the subcosta and the media
  4. (geometry) A line segment between any point of a circle or sphere and its center.
  5. (geometry) The length of this line segment.
  6. Anything resembling a radius, such as the spoke of a wheel, the movable arm of a sextant, or one of the radiating lines of a spider's web.
Synonyms
  • (vein of insect wing) R
Related terms Translations Translations Translations
RADIUS
Noun

radius (uncountable)

  1. (computing) Initialism of Remote Authentication Dial-In User Service



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