plug-in; plugin
A software component that adds a specific feature to an existing computer program.
このブラウザには広告ブロックのプラグインを入れてある。
I have installed an ad-blocking plug-in on this browser.
plug-in hybrid; plug-in hybrid vehicle
plug-in hybrid car; plug-in hybrid electric vehicle; PHEV
plug-in hybrid car; plug-in hybrid electric vehicle; PHEV
Borrowed from English 'plug-in'.