Iotacism (, iotakismos) is the process by which a number of vowels and diphthongs in Ancient Greek converged in pronunciation so that they all sound like iota () in Modern Greek.
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。