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radius

/ˈɹeɪ.di.əs/noun3 syllables

Radius means: support consisting of a radial member of a wheel joining the hub to the rim.

Synonyms for radius3

noun, as in support consisting of a radial member of a wheel joining the hub to the rim

spoke, wheel spoke

noun, as in the length of a line segment between the center and circumference of a circle or sphere

r

What does radius mean?5

noun

1

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

2

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

3

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

4

a circular region whose area is indicated by the length of its radius“they located it within a radius of 2 miles”

5

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

Definitions from the Open English WordNet, CC BY 4.0.

Radius in a sentence

  • How is the radius calculated, when the circumference is known?hellosunshine
  • Find the radius of the circumscribed circle of the triangle.VirtuOZ
  • Find the radius of the escribed circle of the triangle.VirtuOZ
  • Find the radius of the excircle of the triangle.VirtuOZ
  • Find the radius of the incircle of the triangle.VirtuOZ
  • How do you calculate the radius from the circumference?mailohilohi
  • Its radius must be thirty meters at least.maaster
  • What is the radius of a hydrogen atom?Miktsoanit

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.

Forms of radius

as a noun

plural
radii