DISASSIMILATION
Etymology
Noun
disassimilation (plural disassimilations)
(obsolete, biochemistry) catabolism (metabolism with the release of energy)
The act of becoming less assimilated or integrated, particularly of ethnic groups.
Antonyms
• assimilation
Source: Wiktionary
Dis`as*sim`i*la"tion, n. (Physics)
Definition: The decomposition of complex substances, within the organism,
into simpler ones suitable only for excretion, with evolution of
energy, -- a normal nutritional process the reverse of assimilation;
downward metabolism.
The breaking down of already existing chemical compounds into simpler
ones, sometimes called disassimilation. Martin.
Source: Webster’s Unabridged Dictionary 1913 Edition