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COVE , a word mostly used in the sense of a small inlet or sheltered See also:bay in a See also:coast-See also:line. In See also:English See also:dialect usage it is also applied to a See also:cave or to a See also:recess in a See also:mountain-See also:side. The word in O. Eng. is cofa, and cognate forms are found in the Ger. Koben, See also:Norwegian kove, and in various forms in other See also:Teutonic See also:languages. ' It has no connexion with "See also:alcove," recess in a See also:room or See also:building, which is derived through the Span. alcoba from Arab. al, the, and qubbah, vault, See also:arch, nor with "See also:cup" or "coop," nor with "cave" (See also:Lat. cava). The use of the word was first confined to a small chamber or See also:cell or inner recess in a room or building. From this has come the particular application in See also:architecture to any See also:kind of See also:concave moulding, the See also:term being usually applied to the quadrantal See also:curve rising from the See also:cornice of a lofty room to the moulded See also:borders of the See also:horizontal See also:ceiling. The term "coving" is given in See also:half-timbered See also:work to the curved See also:soffit under a projecting window, or in the 1Sth See also:century to that occasionally found carrying the See also:gutter of a See also:house. In the Musee See also:Plantin at See also:Antwerp the See also:hearth of the fireplace of the upper See also:floor is carved on coving, which forms See also:part of the See also:design of the See also:chimney-piece in the room below. The See also:slang use of "cove" for any male See also:person, like a "See also:fellow," "See also:chap," &c., is found in the See also:form "cofe" in T. Harman's See also:Caveat for Cursetors (1587) and other See also:early quotations. This seems to be identical with the Scots word "cofe," a pedlar, See also:hawker, which is formed from "coff," to sell, See also:purchase, cognate with the Ger. kaufen, to buy, and the native English "cheap." The word "cove," therefore, is in ultimate origin the same as " chap," See also:short for "See also:chapman," a pedlar. COVELLIT'E, a See also:mineral See also:species consisting of cupric sulphide, CuS, crystallizing in the hexagonal See also:system. It is of less frequent occurrence in nature than See also:copper-glance, the orthorhombic cuprous sulphide. Crystals are very rare, the mineral being usually found as compact and earthy masses or as a See also:blue coating on other copper sulphides. Hardness 1-2; specific gravity 4.6. The dark See also:indigo-blue See also:colour is a characteristic feature, and the mineral was early known as indigo-copper (Ger. Kupferindig). The name covellite is taken from N. Covelli, who in 1839 observed crystals of cupric sulphide encrusting Vesuvian See also:lava, the mineral having been formed here by the interaction of See also:hydrogen sulphide and cupric chloride, both of which are volatile volcanic products. Covellite is, however, more commonly found in copper-bearing See also:veins, where it has resulted by the alteration of other copper sulphides, namely chalcopyfite, copper-glance and See also:erubescite. It is found in many copper mines; localities which may he specially mentioned are See also:Sangerhausen in Prussian See also:Saxony, See also:Butte in See also:Montana, and See also:Chile; in the See also:Medicine See also:Bow Mountains of See also:Wyoming a platiniferous covellite is See also:mined, the See also:platinum being See also:present as sperrylite (platinum arsenide). (L. J. Additional information and CommentsThere are no comments yet for this article.
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