Definition of absorbers:
(n) :
Something that absorbs.
(n) :
A device which causes gas or vapor to be absorbed by a liquid.
(n) :
A person who absorbs.
(n) :
(nuclear physics) A material that absorbs neutrons in a reactor.
(n) :
(topology) A set that, under suitable transformations, can contain any set from a given class within a topological space.