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stratum |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Stratum \Stra"tum\, n.; pl E. {Stratums}, L. {Strata}. The latter is more common. [L., from sternere, stratum, to spread; akin to Gr ? to spread, strew. See {Strew}, and cf {Consternation}, {Estrade}, {Prostrate}, {Stratus}, {Street}.] 1. (Geol.) 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. 2. A bed or layer artificially made a course. From WordNet r 1.6 [wn]: stratum n : one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism)
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