semicircle Definition
half of a circle, or the line that forms the boundary of a half-circle.
Using semicircle: Examples
Take a moment to familiarize yourself with how "semicircle" can be used in various situations through the following examples!
Example
The arch of the bridge is a semicircle.
Example
The semicircle of seats faced the stage.
Example
The garden was designed with a semicircle of trees.
semicircle Synonyms and Antonyms
Synonyms for semicircle
- half-circle
- demi-circle
Phrases with semicircle
a mathematical rule used to calculate the area of a semicircle
Example
To find the area of a semicircle, use the semicircle rule: A = (πr²)/2.
semicircle of friends
a small group of close friends
Example
She had a semicircle of friends who supported her through thick and thin.
the range or extent of one's power or authority
Example
The CEO's semicircle of influence extended to all departments of the company.
Origins of semicircle
from Latin 'semi-' meaning 'half' and 'circulus' meaning 'circle'
Summary: semicircle in Brief
'Semicircle' [sem-ee-sur-kuhl] refers to half of a circle or the line that forms the boundary of a half-circle. It is commonly used in geometry and design, as in 'The arch of the bridge is a semicircle.' The term also extends into phrases like 'semicircle rule,' which is a mathematical formula for calculating the area of a semicircle.
