epiphragm /'epi,fræm/ 📖 中文释义 [动]膜厣 📘 English Definition(英文释义) n. A membranaceous or calcareous septum with which somemollusks close the aperture of the shell during the time ofhibernation, or aestivation. ← epiphosphorite E 字母词表 epiphrenal →