junction
/ˈdʒʌŋkʃən/noun
1
- a point where two or more things are joined交叉点, 汇合处：
the junction of the two rivers.
两条河流的汇合处。
1.1
- a place where two or more roads or railway lines meet（公路或铁路的）交叉口, 岔道口。
2
- Electronics a region of transition in a semiconductor between a part where conduction is mainly by electrons and a part where it is mainly by holes【电子】接口。
3
- mass noun the action or fact of joining or being joined连接, 结合; 联结。
词源
early 18th cent. (in sense 3)： from Latin junctio（n-）, from jungere 'to join'.