Pronunciation: (kwon'tu-fī"), [key]
—v.t., -fied, -fy•ing.
1. to determine, indicate, or express the quantity of.
2. Logic.to make explicit the quantity of (a proposition).
3. to give quantity to (something regarded as having only quality).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.