[f. ABSORB + -ER1.] One who, or something which, absorbs.

1

1861.  Sat. Rev., No. 279. 222/1. Nitrogen and oxygen … are feeble absorbers and radiators.

2

1873.  Symonds, Gk. Poets, I. 29. Aristotle was the absorber of all previous and contemporary knowledge into one coherent system.

3