The Collaborative International Dictionary
Dispersiveness
Dispersive \Dis*pers"ive\, a. Tending to disperse.
Dispersive power (Opt.), the relative effect of a material in separating the different rays of light by refraction, as when the substance is formed into a prism. -- Dis*pers"ive*ness, n.
Usage examples of "dispersiveness".
For once, and it is almost to be feared for the last time in his life, he had resisted his besetting tendency to dispersiveness, and constrained his intelligence to apply itself to one thing at a time.