Word definition: contact

Defiintion of contact:

[n] close interaction; "they kept in daily contact"; "they claimed that they had been in contact with extraterrestrial beings"
[n] the act of touching physically; "her fingers came in contact with the light switch"
[n] a junction where things (as two electrical conductors) touch or are in physical contact; "they forget to solder the contacts"
[n] a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication
[n] a channel for communication between groups; "he provided a liaison with the guerrillas"
[n] a communicative interaction; "the pilot made contact with the base"; "he got in touch with his colleagues"
[n] the physical coming together of two or more things; "contact with the pier scraped paint from the hull"
[n] a person who is in a position to give you special assistance; "he used his business contacts to get an introduction to the governor"
[n] the state or condition of touching or of being in immediate proximity; "litmus paper turns red on contact with an acid"
[v] be in communication with, establish communication with; "Our advertisements reach millions"; "He never contacted his children after he emigrated to Australia"
[v] be in direct physical contact with; make contact; "The two buildings touch"; "Their hands touched"; "The wire must not contact the metal cover"; "The surfaces contact at this point"

Synonyms of contact:

adjoin, contact lens, get hold of, get through, impinging, inter-group communication, liaison, link, meet, middleman, reach, striking, tangency, touch, touch

Antonyms of contact:

See Also:

abut, adhere, attach, border, breaker point, brush, butt, butt against, butt on, chafe, channel, cleave, cling, cohere, collision, communicate, communicating, communication, communication channel, conjunction, connectedness, connection, contact arm, cover, distributor point, edge, electrical contact, engagement, eye contact, fair ball, flick, fray, fret, happening, hit, hug, impact, interaction, intercommunicate, interlocking, junction, laying on, lean against, lean on, lens, lens system, line, link, march, mesh, meshing, natural event, occurrence, osculation, placement, point, pole, raise, representative, rest on, rub, rub, scratch, short, short circuit, skirt, snick, sound bow, spread over, stick, surround, tangency, terminal, touch, touch, touching, touching, tread, wipe, wiper, wiper arm

Webster Dictionary (1913) for contact:

\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

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.