OPERATION, CHYMICAL
\ˌɒpəɹˈe͡ɪʃən], \ˌɒpəɹˈeɪʃən], \ˌɒ_p_ə_ɹ_ˈeɪ_ʃ_ə_n]\
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Is any process whose object is the preparation of medicines; their combinations with each other, analysis, and decomposition ;-such are, solution, distillation, sublimation, evaporation, digestion, maceration, infusion, decoction, calcination, & c. Some of these operations are mechanical; others, really chymical.
By Robley Dunglison
