gradability

or grade·a·bil·i·ty

[grey-duh-bil-i-tee]

noun Transportation.

a measure of a truck's pulling power expressed as the steepest grade the truck can climb with a full load.

Compare grade(def 9).

Origin of gradability

First recorded in 1950–55; grade + -ability

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018