• Geosyncline

    Pronunciation

    • UK IPA: /dÊ’iːəʊˈsɪŋklʌɪn/

    Origin

    Back-formation from geosynclinal.

    Full definition of geosyncline

    Noun

    geosyncline

    (plural geosynclines)
    1. (geology) A large, linear depression in the Earth's crust in which sediment accumulates.
      • 2004, Richard Fortey, The Earth, Folio Society 2011, p. 173:Forty years ago the crumpled and complex Mobile Belt of Newfoundland would have been considered a typical result of a deformed geosyncline.
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