Meaning of zero-base

ze•ro-base

Pronunciation: (zēr'ō-bās"), [key]
— adj., v., -based, -bas•ing.
—adj.
  1. 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.
—v.t.
  1. to apply zero-base methods to.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.