strataladj.
/ˈstrɑːtl/, /ˈstreɪtl/, U.S. /ˈstreɪdl/, /ˈstrædl/, /ˈstrɑdl/ Of or belonging to a stratum or strata (in various senses); consisting of strata.
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the world > the earth > structure of the earth > structural features > sedimentary formation > [adjective] > of or belonging to a stratum
stratal1814
1814 G. V. Sampson Mem. Explanatory Chart & Surv. County London-Derry ii. 76 The great divisional lines which separate any one of the couches, or strata, from those either above or below, I shall beg leave to name, for the sake of precision, the stratal line.
1839 Proc. Wernerian Nat. Hist. Soc. in Edinb. New Philos. Jrnl. 27 407 It [sc. the formation of granite] had produced violent changes in the stratal position of rocks.
1875 A. Smith New Hist. Aberdeenshire II. 1232 The stratal direction of the vein.
1912 M. Thorek tr. F. Krause Surg. Brain & Spinal Cord II. 314 There was an almost complete disappearance of the columnar and stratal arrangement of the cortical nerve cells.
1966 S. M. Lamb Outl. Stratificational Gram. 1 These several systems may be called stratal systems, and each may be said to be associated with a stratum of linguistic structure.
2013 Jrnl. Coastal Res. 29 663/1 Below this level, stratal thickness decreases gently down core to the base of the Holocene section.
This entry has been updated (OED Third Edition, December 2016; most recently modified version published online March 2022).
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adj.1814