02323 Cordate (k?r"d?t), a. [L. cor, cordis, heart.] (Bot.) Heart-shaped; as, a cordate leaf.
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