injectiondevice
nounUK /ɪnˈdʒɛkʃən dɪˌvaɪs/
US /ɪnˈdʒɛkʃən dɪˌvaɪs/
A tool that puts medicine into your body with a tiny needle.
The nurse used an injection device to give the child his shot.
OTHER MEANINGS
2. A device that forces fuel into an engine.
The mechanic checked the fuel injection device on the car.
3. A tool that pushes a liquid or gas into something under pressure.
The lab used an injection device to add the sample to the tube.
4. An auto-injector pen used for emergency medicine.
She carries an injection device in case of an allergic reaction.