Contact or touch between things or people; in medical contexts often refers to contact transmission of infections.
金属と金属が接触すると、電流が流れる場合がある。
When metal contacts metal, current may flow.
接触感染を防ぐために手を洗うことが重要だ。
Washing hands is important to prevent contact infections.
その選手はプレー中に相手と接触して負傷した。
The player was injured after making contact with an opponent during play.