circular measure
Definition
- Noun:
- A system for measuring angles using radians: "Circular measure" refers specifically to the measurement of angles where the unit is the radian, based on the radius of a circle.
Usage
- Noun:
- In mathematics, circular measure is often preferred over degrees for calculus.
- The angle was given in circular measure, so we needed to convert it to radians.
Advanced Usage
- "Expressed in circular measure": Describes an angle whose magnitude is given in radians.
- For this physics problem, ensure all angular displacement is expressed in circular measure.
Variants and Related Words
- Radian (n): The SI unit of angular measure, defined as the angle subtended at the center of a circle by an arc equal in length to the radius.
- One full rotation is 2π radians.
Synonyms
- Angular measure in radians: A more descriptive synonym.
- Radian measure: A common, direct synonym.
Related Phrases
- Unit circular measure: Refers to the radian as the specific unit within this system.
Noun
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measurement of angles in radians
