n. [ See Evolution. ] (Biol.) The faculty possessed by all substances capable of self-nourishment of manifesting the nutritive acts by changes of form, of volume, or of structure. Syd. Soc. Lex. [ 1913 Webster ]
{ } n. [ Cf. F. volatilité. ] Quality or state of being volatile; disposition to evaporate; changeableness; fickleness. [ 1913 Webster ]
Syn. -- See Levity. [ 1913 Webster ]