Definition of expatiation in US English:

expatiation

noun

  • See expatiate

    • ‘The bus journey hardly requires expatiation; suffice to say that it was a tiring trip.’
    • ‘The expatiation will improve circulation and connections among the existing buildings and add a new building to house at least part of the permanent collection.’
    • ‘He then blocked his e-mail to me, and I haven't had the chance to experience his brusque wit or elegant expatiations since then.’
    • ‘This game is also sure to provide us with an expatiation of the best of Erris football and talent.’
    • ‘Compression is to poem as expatiation is to critic.’

Pronunciation

expatiation

/ɪkˌspeɪʃiˈeɪʃ(ə)n//ikˌspāSHēˈāSH(ə)n/