STRATA
\stɹˈɑːtə], \stɹˈɑːtə], \s_t_ɹ_ˈɑː_t_ə]\
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By William Dodge Lewis, Edgar Arthur Singer
By James Champlin Fernald
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Beds; layers. See Stratum.
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A bed or layer of rock, sand, coal, &c., as arranged in series in the crust of the earth; a bed or layer artificially made.
By Nuttall, P.Austin.
By Stormonth, James, Phelp, P. H.