单词 extumescence 释义 extumescence[a. F. extumescence, f. L. extumscent-em, pr. pple. of extumscre to begin to swell out, f. extumre, f. ex- out + tumre to swell.]A swelling out or up.1611Cotgr., Extumescence, an extumescence, a swelling, a rising vp.16...