English Dictionary: Stratum | by the DICT Development Group |
2 results for Stratum | |
From WordNet (r) 3.0 (2006) [wn]: | |
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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. |