QUADRUPLICATING
Scrabble letter values: Q10U1A1D2R1U1P3L1I1C3A1T1I1N1G2 = 30
Definition
QUADRUPLICATING is the present participle of QUADRUPLICATE.
adjective QUADRUPLICATE: having four units or components.
Synonyms of QUADRUPLICATE: quadruple, quadruplex, fourfold, four-fold