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語源

From Late Latin discontinuitās, from discontinuus, equivalent to dis- +‎ continuity.

発音

• (Received Pronunciation) IPA: /ˌdɪs.kɒn.tɪˈnjuː.ɪ.ti/
• (General American, Atlantic Canada) IPA: /ˌdɪs.kɑn.tɪˈnu.ɪ.ti/, [ˌdɪs.kɑn.tɪˈnu.ɪ.ɾi]
• (Canada, dialects of the 米国発音) IPA: /ˌdɪs.kɒn.tɪˈnu.ɪ.ti/
• (General Australian) IPA: /ˌdɪs.kɔn.tɪˈnjʉː.ɪ.ti/
• 韻: -uːɪti
• ハイフネーション: dis‧con‧ti‧nu‧i‧ty

名詞

discontinuity (plural discontinuities)

1. A lack of continuity, regularity or sequence; a break or gap. [from 16th c.]

   structural discontinuity

   sharp discontinuity

   detect a discontinuity

   The data shows a clear discontinuity in temperature around 1990.

   Geologists noted a discontinuity between the two rock layers.

   • 2012, George Dyson, Turing's Cathedral, Penguin, published 2013, page 57:

     Shock waves are sudden discontinuities propagated in compressible media – usually air.

2. (mathematics) A point in the range of a function at which it is undefined or discontinuous. [from 19th c.]
3. (geology) a subterranean interface at which seismic velocities change

派生語

関連する語

• discontinuous