adj.
Of or relating to a situation in which a gain is offset by an equal loss: ". . .under the zero-sum budgeting system that governs federal spending, the money for spinal research is likely to be deducted from some other research account" (Daniel S. Greenburg).
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
