auto-injector

noun

au·to-in·ject·or | \ ˌȯ-tō-in-ˈjek-tər

variants: or less commonly autoinjector

Definition of auto-injector

medical

: a device for injecting oneself with a single, preloaded dose of a drug that typically consists of a spring-loaded syringe activated when the device is pushed firmly against the body

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The first known use of auto-injector was in 1905

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auto-injector

noun

au·to-in·ject·or | \ ˌȯ-(ˌ)tō-ˌin-ˈjek-tər

variants: also autoinjector

Medical Definition of auto-injector

: a device for injecting oneself with a single, preloaded dose of a drug that typically consists of a spring-loaded syringe activated when the device is pushed firmly against the body Some parents and health officials say epinephrine auto-injectors should be as common in schools as defibrillators are, so immediate help would be available to any student suffering anaphylaxis …— Noreen S. Ahmed-Ullah, The Chicago Tribune, 26 Jan. 2011