An Etymological Dictionary of Astronomy and Astrophysics

A mathematical expression, derived from the → Clausius-Clapeyron equation, of the relation between the vapor pressure and the temperature of pure substances. It shows that the logarithm of vapor pressure is linearly dependent on the reciprocal of → absolute temperature.

See also: Named after Louis Charles Antoine (1825-?), a French marine engineer, who derived the equation; → equation.