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2 definitions found

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 dis·as·sim·i·la·tion /-ˌsɪməˈleʃən/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 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; -- now more commonly called catabolism.
    The breaking down of already existing chemical compounds into simpler ones, sometimes called disassimilation.   --Martin.