damagedampenerdamperdampingdark fielddart drop impactdashpotdata capacitydeactivationdeactivatordead chaindead spotdeblockingdecantationdecaydecelerationdecoctiondecomposedecompositiondecomposition temperaturedecompressiondecompression zonedecontationdecorative granitedecrystallizationdeep etchdeesterificationdefectdefibratordeflectiondeflocculentdefoamerdeformationdegassingdegeneratedegenerationdegradabledegradating radiationdegradationdegradation modeldegree of crystallinitydegree of degradationdegree of freedomdegree of interlockingdegree of polymerizationdegree of rotationdegresingdegummeddehalogenationdehydration