radius Definition
- 1a straight line from the center to the circumference of a circle or sphere
- 2an area that is within a particular distance from a central point
Using radius: Examples
Take a moment to familiarize yourself with how "radius" can be used in various situations through the following examples!
Example
The radius of the circle is 5 cm.
Example
The explosion damaged buildings within a radius of several miles.
Example
The store offers free delivery within a 10-mile radius.
Example
The park has a radius of 2 kilometers.
radius Synonyms and Antonyms
Synonyms for radius
Phrases with radius
Example
As a CEO, his radius of influence extends beyond the company to the entire industry.
a contractual agreement that restricts an artist from performing in a certain geographic area for a specified period of time before and after a concert
Example
The singer had to cancel her performance due to a radius clause in her contract with another venue.
Example
The mechanic replaced the damaged radius arm in the car's suspension system.
Origins of radius
from Latin 'radius', meaning 'spoke of a wheel'
Summary: radius in Brief
The term 'radius' [ˈreɪdiəs] refers to a straight line from the center to the circumference of a circle or sphere, as well as an area within a particular distance from a central point. It is used in contexts such as geometry, geography, and transportation, exemplified by 'The radius of the circle is 5 cm.' and 'The store offers free delivery within a 10-mile radius.' 'Radius' also appears in phrases like 'radius of influence,' denoting the area of one's control, and 'radius clause,' referring to a contractual agreement that restricts an artist's performances in a certain geographic area.