The abrupt and large increase in electrical conductivity exhibited by some metals as the temperature approaches absolute zero.
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 appropriate wavelengths of the solar spectrum.
superstratum noun the language of a later invading people that is imposed on an indigenous population and contributes features to their language
A variety of a language which enjoys a position of power and/or prestige compared to another. It may be a standard form of a language or a different language from that found natively in a specific country or region.