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Radius Definition & Meaning

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

"Radius" in song lyrics

See how radius is used in real songs:

  • "I stood before the glittery borders of new radius"
    Aesop Rock — Citronella
  • "And if you're facing us, block off a 30 block radius"
    Army of the Pharaohs — Battle Cry
  • "We the '89 Raiders, Bo Jackson in your radius"
    Army of the Pharaohs — Spaz Out

Usage tips for "radius"

Understanding the precise definition of a word helps you use it with confidence. When using "radius" in your writing, consider whether you need the word itself or one of its synonyms — subtle differences in meaning can change the tone of a sentence. If you're writing poetry or song lyrics, check the rhymes for radius to find words that pair well.

Use "radius" in a verse

Now that you know what "radius" means, try using it in your own lyrics:

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Frequently asked questions

What does radius mean?
the length of a line segment between the center and circumference of a circle or sphere a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere) a circular region whose area is indicated by the length of its radius; "they located it within a radius of 2 miles" the outer and slightly shorter of the two bones of the human forearm support consisting of a radial member of a wheel joining the hub to the rim
What part of speech is radius?
Radius is a noun.
How many definitions does radius have?
Radius has 5 definitions across 1 part of speech (noun).

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