e·pen·the·sis英e'penθɪsɪs美ep'enθɪsɪs 基本英英 n.插字⁵⁰;插音⁵⁰原型epenthesis的复数形容词epenthetic名词复数epentheses Noun: the insertion of a vowel or consonant into a word to make its pronunciation easier;
the insertion of a vowel in the plural of the word `bush' is epenthesis