The Collaborative International Dictionary of English v.0.48:
Absorbable \Ab*sorb"a*ble\, a. [Cf. F. absorbable.] Capable of being absorbed or swallowed up. --Kerr. [1913 Webster]WordNet (r) 3.0 (2006):
absorbable adj 1: capable of being absorbed or taken in through the pores of a surface [ant: adsorbable, adsorbate]