WordNet

the state or condition of touching or of being in immediate proximity; "litmus paper turns red on contact with an acid"
a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication (同)contact_lens
the act of touching physically; "her fingers came in contact with the light switch" (同)physical contact
(electronics) a junction where things (as two electrical conductors) touch or are in physical contact; "they forget to solder the contacts" (同)tangency
close interaction; "they kept in daily contact"; "they claimed that they had been in contact with extraterrestrial beings"
the physical coming together of two or more things; "contact with the pier scraped paint from the hull" (同)impinging, striking
a person who is in a position to give you special assistance; "he used his business contacts to get an introduction to the governor" (同)middleman
a communicative interaction; "the pilot made contact with the base"; "he got in touch with his colleagues" (同)touch

PrepTutorEJDIC

〈U〉(体・物などの)(…との)『接触』,(…と)触れること《+『with』+『名』》 / 〈U〉(…との)『連絡』,接続《+『with』+『名』》 / 〈U〉〈C〉(…との)『つきあい』,関係,交際《+『with』+『名』》 / 〈C〉《話》縁故,つて / 〈U〉(電気の)接触,接続 / 〈C〉(患者と接触した)保菌容疑者 / …'を'接触させる,接続させる / 《話》…‘と'連絡する / 接触による