1. devices that force liquid or gas into something under pressure
Usage: technical
2. components in engines that spray fuel into cylinders
Usage: automotive
3. medical devices used to deliver medications or fluids into the body
Usage: medical

Examples

• The car’s fuel injectors need cleaning to improve performance.
• The mechanic replaced all four injectors in the engine.
• Medical injectors deliver precise doses of medication.
• The diesel engine uses high-pressure injectors for efficient combustion.
• Automatic injectors are used for emergency allergy treatments.
• The technician tested each injector for proper spray pattern.