Fortition is a consonantal change from a 'weak' sound to a 'strong' one, the opposite of the more common lenition. For example, a fricative or an approximant may become a stop (i.
fortition:
From fortis +? -tion; compare lenition.
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。