1. a device that forces liquid, gas, or other substance into something
2. a component in an engine that sprays fuel into the combustion chamber
Usage: automotive
3. a medical device used to introduce medication or fluids into the body
Usage: medical

Examples

• The mechanic replaced the faulty fuel injector in the car’s engine.
• The doctor used an injector to administer the vaccine.
• The diesel injector sprays fuel at precisely the right moment.
• She carried an epinephrine injector in case of allergic reactions.
• The cleaning system uses high-pressure injectors to remove dirt.
• Modern engines rely on electronic fuel injectors for efficiency.
• The medical injector delivered the medication quickly and safely.