radius meaning

EN[ˈɹeɪdiəs] [-eɪdiəs]
  • In classical geometry, the radius of a circle or sphere is the length of a line segment from its center to its perimeter. The name comes from Latin radius, meaning "ray" but also the spoke of a chariot wheel.
  • If an object does not have an obvious center, the term may refer to its circumradius, the radius of its circumscribed circle or circumscribed sphere.
  • For regular polygons, the radius is the same as its circumradius. The inradius of a regular polygon is also called apothem.
  • The radius of the circle with perimeter (circumference) C is
FR radius
  • Part-of-Speech Hierarchy
    1. Nouns
      • Nouns with irregular plurals
        • Countable nouns
      Related Links:
      1. fr radius
      2. en radiused
      3. en radiuses
      4. en radius vector
      5. en radius vectors
      Source: Wiktionary
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      Meaning of radius for the defined word.

      Grammatically, this word "radius" is a noun, more specifically, a nouns with irregular plural and a countable noun.
      Definiteness: Level 8
      Definite    ➨     Versatile