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superstratum

[soo-per-strey-tuh m, -strat-uh m, soo-per-strey-tuh m, -strat-uh m] /ˈsu pərˌstreɪ təm, -ˌstræt əm, ˌsu pərˈstreɪ təm, -ˈstræt əm/
noun, plural superstrata
[soo-per-strey-tuh, -strat-uh, soo-per-strey-tuh, -strat-uh] /ˈsu pərˌstreɪ tə, -ˌstræt ə, ˌsu pərˈstreɪ tə, -ˈstræt ə/ (Show IPA),
superstratums.
1.
an overlying stratum or layer.
2.
Historical Linguistics. a set of features of a language traceable to the influence of a language formerly spoken within the same society by a dominant group:
English has a Norman-French superstratum.
Compare substratum.
Origin
1800-1810
1800-10; super- + stratum; cf. substratum
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for superstratum

superstratum

/ˌsuːpəˈstrɑːtəm; -ˈstreɪ-/
noun (pl) -ta (-tə), -tums
1.
(geology) a layer or stratum overlying another layer or similar structure
2.
(linguistics) the language of a conquering or colonizing population as it supplants that of an indigenous population, as for example French and English in the Caribbean Compare substratum (sense 8)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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