tu·me·fac·tion /ˌtuməˈfækʃən, ˌtju-/
腫脹,腫大
Tu·me·fac·tion n. The act or process of tumefying, swelling, or rising into a tumor; a tumor; a swelling.
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tumefaction
n : the process of tumefying; the organic process whereby tissue
becomes swollen by the accumulation of fluid within it