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diachronism |
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diachronism [daɪˈækrəˌnɪzəm] n (Earth Sciences / Geological Science) Geology the passage of a geological formation across time planes, as occurs when a marine sediment laid down by an advancing sea is noticeably younger in the direction of advancement diachronous adj diachronism, diachrony the comparative study of a development based on its history. — diachronic, diachronistic, diachronistical, adj. See also: Timethe study and description of the change or development in the structural systems of a language over a stated period of time. Also called historical linguistics. Cf. synchronic linguistics. — diachronic, adj. See also: LinguisticsHow to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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1998) suggested that deformation in the ensialic Welsh Basin during the Tremadoc, and subsequent formation of a late Tremadoc-Early Arenig arc, was related to diachronous Penobscotian collision and a renewed cycle of suprasubduction-zone magmatism equivalent to the Victoria arc. Synchronous versus diachronous methods in the measurement of obsolescence by citation studies. This interval reflects the diachronous nature of the transition between the granite-greenstone tectonic style of the Archean and the incipient plate-tectonic style of the Proterozoic. |
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