radius Antonyms

Meaning of radius

Wordnet

radius (n)

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

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

Webster

radius (n.)

A right line drawn or extending from the center of a circle to the periphery; the semidiameter of a circle or sphere.

The preaxial bone of the forearm, or brachium, corresponding to the tibia of the hind limb. See Illust. of Artiodactyla.

A ray, or outer floret, of the capitulum of such plants as the sunflower and the daisy. See Ray, 2.

The barbs of a perfect feather.

Radiating organs, or color-markings, of the radiates.

The movable limb of a sextant or other angular instrument.

radius Sentence Examples

  1. The radius of the Earth is approximately 6,371 kilometers.
  2. The radius of the nucleus of an atom is extremely small, typically less than 10^-15 meters.
  3. A circle's radius is the distance from the center to any point on the circumference.
  4. The radius of a sphere is the distance from the center to any point on the surface.
  5. The radius of curvature of a curve is the radius of the circle that best approximates the curve at a given point.
  6. The orbital radius of a planet is the distance from the planet to the star it orbits.
  7. The Schwarzschild radius is the radius of a black hole's event horizon.
  8. The van der Waals radius is the radius of a spherical atom or molecule, as calculated by the van der Waals equation.
  9. The effective radius of a bacterial cell is the radius of a sphere that has the same volume as the cell.
  10. The radius of a cylindrical capacitor is the distance from the center of the cylinder to one of the electrodes.

FAQs About the word radius

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 t

diameter,perimeter, periphery, equator, waistline,circumference, circuit, compass

No antonyms found.

The radius of the Earth is approximately 6,371 kilometers.

The radius of the nucleus of an atom is extremely small, typically less than 10^-15 meters.

A circle's radius is the distance from the center to any point on the circumference.

The radius of a sphere is the distance from the center to any point on the surface.