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point of tangency; point of contact
(electrical) contact
point of contact (between); connection; point of agreement; common ground
二人に接点はなかった。
There was no connection between the two.
異なる文化の接点から新しいものが生まれる。
New things are born from the contact point of different cultures.
犯人との接点を捜査している。
They are investigating any connection with the suspect.