1.
connection, joining
The act of connecting or linking things together, such as cables, devices, or transportation lines.
インターネットに接続する。
To connect to the internet.
接続が不安定で動画が止まってしまう。
The connection is unstable, so the video keeps stopping.
ケーブルを接続してください。
Please connect the cable.
2.
transfer, connection (transportation)
Changing from one train/bus line to another; connecting service.
この駅で地下鉄に接続できます。
You can transfer to the subway at this station.
次の電車への接続が悪い。
The connection to the next train is poor.
空港から市内へのバスの接続が便利になった。
The bus connection from the airport to the city has become more convenient.
接続 is commonly used for both technical connections (internet, devices) and transportation transfers.
COMMON COMPOUNDS:
- 接続詞: conjunction (grammar)
- 接続駅: connecting station, transfer station
- Wi-Fi接続: Wi-Fi connection
- USB接続: USB connection
TECHNICAL USES:
- インターネットに接続する: connect to the internet
- 機器を接続する: connect devices
- 接続状態: connection status
TRANSPORTATION:
- 乗り換え: transfer (more common in everyday speech)
- 接続: connection (more formal, schedule-focused)