Circular measure and System of measurement

Circular measure noun - Measurement of angles in radians.

System of measurement and circular measure are semantically related. In some cases you can use "System of measurement" instead a noun phrase "Circular measure".

System of measurement noun - A system of related measures that facilitates the quantification of some particular characteristic.

Circular measure and system of measurement are semantically related. Sometimes you can replace phrase "Circular measure" with "System of measurement", this phrases are similar.