Question

what is meant by a 'standard unit of measurement?

Answer 1

A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard formeasurement of the same kind of quantity. Any other quantity of that kind can be expressed as a multiple of the unit of measurement. For example, a length is a physical quantity.hope it helps

Answer 2

Standard unit of measurement means the units which cån't be derived from any other quantity and are unique.