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.

radius Meaning

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.

Synonyms & Antonyms of radius

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, equator,perimeter, periphery,circumference, waistline, 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.