noun. A horizontal layer of material, especially one of several parallel layers arranged one on top of another.

noun. A bed or layer of sedimentary rock that is visually distinguishable from adjacent beds or layers.

noun. Any of the regions of the atmosphere, such as the troposphere, that occur as layers.

noun. A layer of tissue.

noun. A level of society composed of people with similar social, cultural, or economic status.

noun. One of a number of layers, levels, or divisions in an organized system.

noun. In archæol. excavations, one of the layers of deposits left by successive civilizations, as in the overlying cities at Hissarlik, the ancient Troy.

noun. A layer of material, formed either naturally or artificially.

noun. A bed of earth or rock of one kind, formed by natural causes, and consisting usually of a series of layers, which form a rock as it lies between beds of other kinds. Also used figuratively.

noun. A bed or layer artificially made; a course.

noun. One of several parallel horizontal layers of material arranged one on top of another.

noun. A layer of sedimentary rock having approximately the same composition throughout.

noun. Any of the regions of the atmosphere, such as the stratosphere, that occur as layers.

noun. A layer of tissue.

noun. A class of society composed of people with similar social, cultural, or economic status.

noun. A layer of vegetation, usually of similar height.

noun. one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)

noun. people having the same social, economic, or educational status

noun. an abstract place usually conceived as having depth

"I laid the precious stratum, _super stratum_ upon the two former, and other deposits of"

correlate strata  gonidial stratum  rise of strata  secondary strata  stratum bacillosum  

stratification  stratify  stratosphere  

place  

Chatham  atom  datum  

block  clay  column  crust  deposit  

Appleton layer  F layer  Heaviside-Kennelly layer  Van Allen belt  band  

strata