The Collaborative International Dictionary
Disassimilative
Disassimilative \Dis`as*sim"i*la*tive\, a. (Physiol.) Having power to disassimilate; of the nature of disassimilation.
Disassimilative processes constitute a marked feature
in the life of animal cells.
--McKendrick.
Wiktionary
disassimilative
a. (context physiology English) Having power to disassimilate; of the nature of disassimilation.