absorber absorbent • absorbing · · · Info · Definitions · Characters · · absorber · · Text Latin · · Script 8 · · Length Definitions · · · (noun) (physics) material in a nuclear reactor that absorbs radiation. · · Noun Definition 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073