Definition of "superstrate" []

• A layer or stratum adjacent and parallel to another. (noun)
• The sudden increase in the electrical conductivity of some metals as their temperature falls to near absolute zero. (noun)
• The covering on the sunny side of a photovoltaic (PV) module, providing protection for the PV materials from impact and environmental degradation while allowing maximum transmission of the appropiate wavelengths of the solar spectrum. (noun)
• Alternative form of superstratum. (noun)
• To arrange in parallel layers or strata. (verb)

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• "This may or may not be tied into debate about the genesis of pidgins, with one school of thought claiming there was a single source (monogenesis) and one arguing that pidgins arose separately (polygenesis) (a second battle is over substrate, superstrate, or bio-program, a glossary to figure out the terminology is here)"