1. a medical device that automatically injects a measured dose of medication through the skin, typically used for emergency treatment of severe allergic reactions or other acute conditions
Usage: commonly used in medical and healthcare contexts; often refers specifically to epinephrine autoinjectors (e.g., EpiPen)

Examples

• People with severe peanut allergies often carry an autoinjector at all times.
• The nurse showed the patient how to use the autoinjector in case of an emergency.
• An autoinjector can deliver medication quickly without requiring a syringe or needle expertise.
• The school kept several autoinjectors in the office for students with severe allergies.
• When he felt an allergic reaction starting, he immediately reached for his autoinjector.
• Modern autoinjectors are designed to be simple enough for anyone to use in a crisis.