n. [ See Labefy. ] The act of labefying or making weak; the state of being weakened; decay; ruin. [ 1913 Webster ]
There is in it such a labefaction of all principles as may be injurious to morality. Johnson. [ 1913 Webster ]
n. [ Cf. F. raréfaction. See Rarefy. ] The act or process of rarefying; the state of being rarefied; -- opposed to condensation;
n. [ Cf. F. raréfaction. See Rarefy. ] The act or process of rarefying; the state of being rarefied; -- opposed to condensation;