the act of leaving out the sound of part of a word when it is spoken, for example the pronunciation of sixth as /sɪkθ/ 省音，省略部分读音（如 we'll、don't 和 let's） Word Originlate 16th cent.: from late Latin elisio(n-), from Latin elidere ‘crush out’, from e- (variant of ex-) ‘out’ + laedere ‘to dash’.