Pronunciation: (non"prō-lif"u-rā'shun), [key]
1. the action or practice of curbing or controlling an excessive, rapid spread: nonproliferation of nuclear weapons.
2. failure or refusal to proliferate, as in budding or cell division.
pertaining to diplomatic agreements limiting the spread of nuclear weapons.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.