- having income exactly equal to expenditure, thus showing neither profit nor loss.
- break-even point.
- Energy. the stage at which a fission or fusion reaction becomes self-sustaining.
Origin of break-even
An Americanism dating back to 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for break-even
Which, probably not coincidentally, is well under the break-even price for shale oil projects.