con·tact /ˈkɑnˌtækt/ 名詞
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.
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.
n 1: close interaction; "they kept in daily contact"; "they
claimed that they had been in contact with
2: the state or condition of touching or of being in immediate
proximity; "litmus paper turns red on contact with an
3: the act of touching physically; "her fingers came in contact
with the light switch"
4: the physical coming together of two or more things; "contact
with the pier scraped paint from the hull" [syn: impinging,
5: a person who is in a position to give you special
assistance; "he used his business contacts to get an
introduction to the governor" [syn: middleman]
6: a channel for communication between groups; "he provided a
liaison with the guerrillas" [syn: liaison, link, inter-group
7: (electronics) a junction where things (as two electrical
conductors) touch or are in physical contact; "they forget
to solder the contacts" [syn: tangency]
8: a communicative interaction; "the pilot made contact with
the base"; "he got in touch with his colleagues" [syn: touch]
9: a thin curved glass or plastic lens designed to fit over the
cornea in order to correct vision or to deliver medication
[syn: contact lens]
v 1: be in or establish communication with; "Our advertisements
reach millions"; "He never contacted his children after
he emigrated to Australia" [syn: reach, get through,
get hold of]
2: 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" [syn: touch, adjoin, meet]