- Contact
- Contact Con"tact (k[o^]n"t[a^]kt), 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.
[1913 Webster]
2. (Geom.) The property of two curves, or surfaces, which meet, and at the point of meeting have a common direction. [1913 Webster]
3. (Mining) The plane between two adjacent bodies of dissimilar rock. --Raymond. [1913 Webster]
4. (Electricity) A metallic conducting component of an electrical device connected to a circuit within and so situated that it may form a conducting pathway to an external power source or device when contacted by another conductor; as, the contact on a standard light bulb has the shape of a screw for easy insertion into the socket. [PJC]
5. A person who serves to commmunicate information to or from one group to another, whether formally or informally; as, a good Washington reporter has contacts in the White House. [PJC]
{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. [1913 Webster]
The Collaborative International Dictionary of English. 2000.