noun which may take the genitive case particle 'no', noun
Describes a process or device that is partly automatic and partly manual. Commonly used with machinery, weapons, and systems.
This washing machine is semi-automatic, so you have to switch the water manually.
A semi-automatic pistol automatically loads the next round after firing one shot.
semiautomatic rifle
Compound of 半 (half) and 自動 (automatic).