Hypertext Webster Gateway: "Disassimilation"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Disassimilation \Dis`as*sim`i*la"tion\, n. (Physics)
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.
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