A quantity or coefficient, or constant, which expresses the measure of some specified force, property, or quality, as of elasticity, strength, efficiency, etc.; a parameter.
- Physics A quantity that expresses the degree to which a substance possesses a property, such as elasticity.
- Mathematics The absolute value of a complex number.
- A number by which two given numbers can be divided and produce the same remainder.
- The number by which a logarithm in one system must be multiplied to obtain the corresponding logarithm in another system.