02319 Co*qui"na (?), n. [Sp., shellfish, cockle.] A soft, whitish, coral-like stone, formed of broken shells and corals, found in the southern United States, and used for roadbeds and for building material, as in the fort at St. Augustine, Florida.
02311 Con"tact (?), n. [L. contactus, fr. contingere, -tactum, to touch on all sides. See Contingent.] 1. A close union or junction of bodies; a touching or meeting.2. (Geom.) The property of two curves, or surfaces, which meet, and at the point of meeting have a common direction.3. (Mining) The plane between two adjacent bodies of dissimilar rock.Raymond.Contact level, a delicate level so pivoted as to tilt when two parts of a measuring apparatus come into contact with each other; -- used in precise determinations of lengths and in the accurate graduation of instruments.
Comments
Post a Comment