D2E1P3O1L1Y4M3E1R1I1S1E1
20 points
DEPOLYMERISE is validvalid
to depolymerize [v DEPOLYMERISED, DEPOLYMERISES, DEPOLYMERISING]
to break a large molecule into simpler ones that have the same basic formula, also DEPOLYMERIZE [v DEPOLYMERISED, DEPOLYMERISING, DEPOLYMERISES]