02324 Cor"nu Am*mo"nis (?m-m?"n?s); pl. Cornua Ammonis. [L., horn of Ammon. See Ammonite.] (Paleon.) A fossil shell, curved like a ram's horn; an obsolete name for an ammonite.
page="325"
Page 325
page="325"
Page 325
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