epinephrine
noun/ˌepɪˈnefrɪn/
/ˌepɪˈnefrɪn/
[uncountable] (also adrenaline, adrenalin)
(biology)- a substance produced in the body when you are excited, afraid or angry. It makes the heart beat faster and increases your energy and ability to move quickly.
- You should administer epinephrine within minutes of the onset of severe allergy symptoms.
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epinephrine