Pronunciation: (zēr'ō-bās"), [key]
—adj., v., -based, -bas•ing.
Also,ze'ro-based".without reference to a base figure or to previous practice; according to present needs only, as opposed to a percentage increase or decrease of previous figures: zero-base planning; zero-base inventory.
to apply zero-base methods to.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.