端 子

たんし

noun

terminal; connector; port

1. terminal; connector; port

The point on a device where a wire or plug connects — a battery post, a screw terminal, or a socket such as an HDMI or USB port.

端子(たんし)が汚(よご)れている。

The terminal is dirty.

このテレビにはHDMI端子(たんし)が三(みっ)つある。

This television has three HDMI ports.

電池(でんち)の端子(たんし)にさびが付(つ)くと、電気(でんき)が流(なが)れにくくなる。

When rust forms on the battery terminals, the current has trouble flowing.

配線(はいせん)をつなぐ前(まえ)に、プラスとマイナスの端子(たんし)を間違(まちが)えていないか確認(かくにん)してください。

Before connecting the wiring, please check that you have not mixed up the positive and negative terminals.

Formed from 端(たん) (end, edge) + 子(し) (small part). Used both for bare metal contacts on batteries and circuit boards and for the sockets on consumer electronics.

Common collocations

端子(たんし)をつなぐ: to connect a terminal
プラス端子(たんし) / マイナス端子(たんし): positive / negative terminal
入力(にゅうりょく)端子(たんし) / 出力(しゅつりょく)端子(たんし): input / output port

Similar words

コネクタ: connector — usually the whole plug-and-socket assembly
ポート: port — the katakana term, favored for computer sockets
差(さ)し込(こ)み口(ぐち): socket, outlet — everyday word for where a plug goes in

Related Words

Related: 配線 (wiring)

Compare: ポート (port)

Compare: 差(さ)し込(こ)み口(ぐち) (socket, outlet)

Compare: 接続口(せつぞくぐち) (connection port)

general

Added 2026.7.29 12:20 · Revised 2026.9.4 21:29

30000/30215_tanshi