betacism

n. b 音和 v 音的混淆

发音

/ˈbiːtəsɪzəm/

词形变化

betacisms 复数 betacisms

释义与例句

n.
  1. 1.

    A sound change in which [b] (the voiced bilabial plosive) shifts to [v] (the voiced labiodental fricative).

    不可数 语言学

    Betacism is a fairly common phenomenon: it has taken place in Greek, Hebrew, Spanish, and some Portuguese dialects, among others.

  2. 2.

    A speech disorder involving excessive use of the [b] sound, or conversion of other sounds into it.

    不可数

词源

From beta + -cism (“phenomenon related to a specific phoneme”).

来源：wiktionary