TUMESCENT Meaning of TUMESCENT in English [ tjʊ'mɛs(ə)nt ]■ adjective swollen or becoming swollen.Derivativestumescence noun~ly adverb OriginC19: from L. ~- , tumescere 'begin to swell', from tumere 'to swell'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004