junction

n. 连接, 会合处, 交叉点
【医】 接[合]处, 接点.[接]界

形容词:junctional 

junc.tion

n.（名词）
The act or process of joining or the condition of being joined.
连接，接合：联结的行为、过程或被接合在一起的状态
Abbr. jct.,junc.A place where two things join or meet, especially a place where two roads or railway routes come together and one terminates.
缩写 jct.,junc.联结点，会合点：两种物体连接或汇合的地点，尤指两条公路或铁路线交汇，且其中一条到达终点的地方
A transition layer or boundary between two different materials or between physically different regions in a single material, especially:
交界处：两种不同的物质，或单个物质的不同部位之间的过渡层或过渡边界，尤指：
A connection between conductors or sections of a transmission line.
接头：导体的连接部分或输电线的各部分
The interface between two different semiconductor regions in a semiconductor device.
接口：半导体装置里两个不同的半导体区之间的接合部
A mechanical or alloyed contact between different metals or other materials, as in a thermocouple.
接触在热电偶中，不同的金属或其它物质之间机械的或掺杂的接触

来源：
Latin iônctiô iônctiôn-
拉丁语 iônctiô iônctiôn-
from iônctus [past participle of] iungere [to join] * see yeug-
源自 iônctus [] iungere的过去分词 [连接] *参见 yeug-

【引伸】
junc.tional
adj.（形容词）