Radius meaning

What does “radius” mean? Definitions, examples, synonyms and opposites.

“radius” is a noun with 5 meanings. Its most common meaning is: the length of a line segment between the center and circumference of a circle or sphere.

radius

noun

  1. the length of a line segment between the center and circumference of a circle or sphere

    Synonymsr
  2. a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)

  3. a circular region whose area is indicated by the length of its radius

    “they located it within a radius of 2 miles”

  4. the outer and slightly shorter of the two bones of the human forearm

  5. support consisting of a radial member of a wheel joining the hub to the rim

Source: WordNet 3.1, Princeton University