[with obj.](Linguistics)change (a sound or sounds in a word) to another when the word originally had identical sounds near each other (语言学)使异化 in ‘pilgrim’, from Latin ‘peregrinus’, the first ‘r’ is dissimilated to ‘l’. pilgrim一词来自拉丁语peregrinus,其中第一个r被异化成l。 ■[no obj.](of a sound) undergo such a change (语音)异化 the first ‘r’ dissimilates to ‘l’. 第一个r异化成l。