verb (used with object), sta·bi·lized, sta·bi·liz·ing.
verb (used without object), sta·bi·lized, sta·bi·liz·ing.
Examples from the Web for unstabilized
All varietal forms at present are as yet unstabilized (most varieties of 10 years ago have been discarded).Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting|Northern Nut Growers Association
Suppose the unstabilized copper were treated with a very weak current, not strong enough to explode it?The Skylark of Space|Edward Elmer Smith and Lee Hawkins Garby
British Dictionary definitions for unstabilized
Word Origin and History for unstabilized
1861, originally of ships; probably a back-formation from stability. Related: Stabilized; stabilizing.