Pronunciation: (sep'ur-u-bul, sep'ru-), [key]
1. capable of being separated, parted, or dissociated.
a. containing a countable dense subset.
b. (of a differential equation) capable of being written so that coefficients of the differentials of the independent and dependent variables are, respectively, functions of these variables alone. Cf. separation of variables.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.