Sentence:  The "<WSD>clickability</WSD>" of the foams, a measurement of a foam's usefulness in die-cutting processes, was determined by placing a piece of foam 1 in. thick under a square die, 2 1/2 by 2 1/2 in. 
Meaning of the word marked with <WSD> tags:  The ability of a foam to retain its original shape after cutting, without deformation or burrs