- a number or quantity placed (generally) before and multiplying another quantity, as 3 in the expression 3x.
- a number that is constant for a given substance, body, or process under certain specified conditions, serving as a measure of one of its properties: coefficient of friction.
- acting in consort; cooperating.
- maths
- a numerical or constant factor in an algebraic term
- the product of all the factors of a term excluding one or more specified variables
- a value that relates one physical quantity to another
