Also found in: Medical.
base stacking[′bās ‚stak·iŋ]
(cell and molecular biology)
The orientation of adjacent base pairs such that their planes are parallel and their surfaces almost touch, as occurs in double-stranded deoxyribonucleic acid molecules.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.