non'rel•a•tiv•is'tic quan'tum mechan'ics
Pronunciation: (non'rel-u-ti-vis'tik, non"-), [key] Physics.
a form of quantum mechanics that excludes relativistic effects and is approximately applicable to low-energy problems, as the structure of atoms and molecules. Cf. matrix mechanics, Schrödinger equation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.