Search Result for "absorber": 
Wordnet 3.0

NOUN (1)

1. (physics) material in a nuclear reactor that absorbs radiation;


The Collaborative International Dictionary of English v.0.48:

Absorber \Ab*sorb"er\, n. One who, or that which, absorbs. [1913 Webster]
WordNet (r) 3.0 (2006):

absorber n 1: (physics) material in a nuclear reactor that absorbs radiation