02319 Cop"u*la (?), n. [L., bond, band. See Couple.] 1. (Logic & Gram.) The word which unites the subject and predicate.2. (Mus.) The stop which connects the manuals, or the manuals with the pedals; -- called also altname coupler /altname .
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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