A stratum in geology is a layer of sedimentary rock or sediment. In archaeology, it is a layer of man-produced sediment of a certain age.
Stratum may also refer to:
Science and technology Layer or stratum (archaeology): see Stratigraphy (archaeology) Stratum (linguistics), a language influencing or influenced through language contact Stratum (statistics), in stratified sampling, a homogeneous subgroup of members in the population Stratum, an element of a topologically stratified space Clock stratum, in a clock network, a hierarchical level reflecting the quality of a clock Stratum corneum, the outermost layer of the skin Stratum membranosum, the membranous layer
Other uses Stratum, Netherlands, a city district of Eindhoven Stratum (album), a 2012 album by Drottnar Stratum (sculpture), a series of sculptures by Mikyoung Kim in Portland, Oregon, US
See also Strata (disambiguation) Stratification (disambiguation) Stratus (disambiguation) Substrate (disambiguation) Superstrate