Epipen

name, noun

name, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Alternative letter-case form of epipen (genericized term) alt-of

    "After boarding the British Airways flight, Natasha became unwell, and, realising that she'd suffered an allergic reaction, Nadim injected her with 2 EpiPens."

  2. 2
    An epinephrine/adrenaline autoinjector. A device designed to ease the symptoms of anaphylaxis/anaphylactic shock, so as to save the life of the victim of the extreme allergic reaction, by injecting a dose of adrenaline/epinephrine through a spring-loaded needle that punches into the tissue it is triggered against.
Proper Noun
  1. 1
    A brandname for an epinephrine autoinjector: A device for the autoinjection of adrenaline; used by people who suffer from severe allergies and risk anaphylactic shock.

Example

More examples

"After boarding the British Airways flight, Natasha became unwell, and, realising that she'd suffered an allergic reaction, Nadim injected her with 2 EpiPens."

Etymology

Etymology 1

Originally a trademark; a marketing coinage, presumably a blend of epinephrine + pen.

Etymology 2

Genericization of the trademark EpiPen, presumably a blend of epinephrine + pen, from being a pen-sized device used to inject epinephrine.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.