superstrate

/S UW1 P ER0 S T R EY0 T/
noun
  1. 1

    A layer or stratum adjacent and parallel to another.

  2. 2

    (photovoltaics) 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.

  3. 3

    (physics) The sudden increase in the electrical conductivity of some metals as their temperature falls to near absolute zero.

  4. 4

    (linguistics) Alternative form of superstratum. [(geology) A stratum that is on top of another]

verb
  1. 1

    To arrange in parallel layers or strata.