# Coefficient-of-performance

**noun**, Thermodynamics.

1.

a constant that denotes the efficiency of a refrigerator, expressed as the amount of heat removed from a substance being refrigerated divided by the amount of work necessary to remove the heat.

Abbreviation: COP.

Tagged: c

Read Also:

- Coefficient-of-restitution
noun, Physics. 1. the ratio of the relative velocity after impact to the relative velocity before the impact of two colliding bodies, equal to 1 for an elastic collision and 0 for an inelastic collision.

- Coefficient of variation
noun 1. (statistics) a measure of the relative variation of distribution independent of the units of measurement; the standard deviation divided by the mean, sometimes expressed as a percentage noun a statistical measure of investment risk in which risk is defined as the standard deviation per unit of expected return; the ratio of standard deviation […]

- Coefficient-of-viscosity
noun, Physics. 1. the measure of the viscosity of a fluid, equal to the force per unit area required to maintain a difference of velocity of one unit distance per unit time between two parallel planes in the fluid that lie in the direction of flow and are separated by one unit distance: usually expressed […]

- Coelacanth
[see-luh-kanth] /ˈsi ləˌkænθ/ noun 1. a crossopterygian fish, Latimeria chalumnae, thought to have been extinct since the Cretaceous Period but found in 1938 off the coast of southern Africa. /ˈsiːləˌkænθ/ noun 1. a primitive marine bony fish of the genus Latimeria (subclass Crossopterygii), having fleshy limblike pectoral fins and occurring off the coast of E […]