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marl |
5 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Marl \Marl\, v. t. [See {Marline}.] (Naut.) To cover, as part of a rope, with marline, marking a pecular hitch at each turn to prevent unwinding. {Marling spike}. (Naut.) See under {Marline}. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Marl \Marl\, n. [OF. marle, F. marne, LL margila dim. of L. marga marl. Originally a Celtic word according to Pliny, xvii. 7: ``Quod genus terr[ae] Galli et Britanni margam vocant.'' [root]274.] A mixed earthy substance, consisting of carbonate of lime, clay, and sand, in very varivble proportions, and accordingly designated as calcareous, clayey, or sandy. See {Greensand}. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Marl \Marl\, v. t. [imp. & p. p. {Marled}; p. pr & vb n. {Marling}.] [Cf. F. marner. See {Marl}, n.] To overspread or manure with marl; as to marl a field. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Greensand \Green"sand`\ (-s?nd`), n. (Geol.) A variety of sandstone, usually imperfectly consolidated, consisting largely of glauconite, a silicate of iron and potash of a green color, mixed with sand and a trace of phosphate of lime. Note: [hand]Greensand is often called {marl}, because it is a useful fertilizer. The greensand beds of the American Cretaceous belong mostly to the Upper Cretaceous. From WordNet r 1.6 [wn]: marl n : a loose and crumbling earthy deposit consisting mainly of calcite or dolomite; used as a fertilizer
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