The Collaborative International Dictionary of English v.0.48:
Absorptive \Ab*sorp"tive\, a. Having power, capacity, or tendency to absorb or imbibe. --E. Darwin. [1913 Webster]WordNet (r) 3.0 (2006):
absorptive adj 1: having power or capacity or tendency to absorb or soak up something (liquids or energy etc.); "as absorbent as a sponge" [syn: absorbent, absorptive] [ant: nonabsorbent, nonabsorptive]