Meaning of countervail

coun•ter•vail

Pronunciation: (koun"tur-vāl'), [key]
— v.t.
  1. to act or avail against with equal power, force, or effect; counteract.
  2. to furnish an equivalent of or a compensation for; offset.
  3. to equal.
—v.i.
  1. to be of equal force in opposition; avail.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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