Dictionary
grad•a•bil•i•ty
Pronunciation: (grā"du-bil'i-tē), [key]—
n. Transp.
a measure of a truck's pulling power expressed as the steepest grade the truck can climb with a full load.
Also,gradeability.Cf.
grade (def. 9).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.