n.; pl.Superstrata [ NL.: cf. L. supersternere, superstratum, to spread upon. See Super-, and Stratum. ] A stratum, or layer, above another. [ 1913 Webster ]
n.; pl.Superstrata [ NL.: cf. L. supersternere, superstratum, to spread upon. See Super-, and Stratum. ] A stratum, or layer, above another. [ 1913 Webster ]