noun: A layer or stratum adjacent and parallel to another.
noun: (physics) The sudden increase in the electrical conductivity of some metals as their temperature falls to near absolute zero.
noun: (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.
verb: To arrange in parallel layers or strata.
noun: (linguistics) Alternative form of superstratum [(geology) A stratum that is on top of another]
