# radius meaning

EN[ˈɹeɪdiəs] [-eɪdiəs]WRadius

- 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

- NounPLradiiPLradiuses
- (anatomy) The long bone in the forearm, on the side of the thumb.
- (zoology) The lighter bone (or fused portion of bone) in the forelimb of an animal.
- (entomology) One of the major veins of the insect wing, between the subcosta and the media.
- (geometry) A line segment between any point on the circumference of a circle and its center/centre.
- (geometry) The length of this line segment.

- (anatomy) The long bone in the forearm, on the side of the thumb.
- More Examples
- Used in the Middle of Sentence
- A 43° angle subtends an arc about ¾ meter long on a circle with a
**radius**of 1 meter.

- A 43° angle subtends an arc about ¾ meter long on a circle with a

- Used in the Middle of Sentence

## Definition of __radius__ in English Dictionary

- Part-of-Speech Hierarchy
- Nouns
- Nouns with irregular plurals
- Countable nouns

- Nouns with irregular plurals

- Nouns

- fr radius
- en radiused
- en radiuses
- en radius vector
- en radius vectors

Source: Wiktionary

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