Meaning of nonnuclear

non•nu•clear

Pronunciation: (non-n'klē-ur, -ny'- or, by metathesis, -kyu-lur), [key]
— adj.
  1. not utilizing nuclear power, nuclear weapons, etc.: to fight a nonnuclear war.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.