02324 Cor*nif"er*ous (k?r-n?f"?r-?s), a. [L. cornu horn + -ferous.] (Geol.) Of or pertaining to the lowest period of the Devonian age.(See the Diagram, under Geology.) The Corniferous period has been so called from the numerous seams of hornstone which characterize the later part of the period, as developed in the State of New York.
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.
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