break-e•venPronunciation: (brāk'ē'vun), [key]
having income exactly equal to expenditure, thus showing neither profit nor loss.
See break-even point.
the stage at which a fission or fusion reaction becomes self-sustaining. Also,break'e'ven.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.