epinephrine
noun
epi·neph·rine
ˌe-pə-ˈne-frən 
variants
or less commonly epinephrin
: a crystalline sympathomimetic hormone C9H13NO3 that is the principal blood-pressure raising hormone secreted by the medulla of the adrenal glands, is prepared from adrenal extracts or made synthetically, and is used medicinally especially to stimulate the heart during cardiac arrest and to treat life-threatening allergic reactions
called also adrenaline
Examples of epinephrine in a Sentence
Recent Examples on the Web
Anaphylaxis can be treated using an epinephrine injection—also known as an EpiPen.
—
Marco Rubio, Newsweek, 1 Nov. 2024
Immediate treatment for anaphylaxis is often necessary and typically requires an epinephrine injection.
—Lana Barhum, Verywell Health, 31 Oct. 2024
The emergency room staff administrated several rounds of epinephrine, three rounds of Narcan and CPR.
—Cathy Kozlowicz, Journal Sentinel, 8 Oct. 2024
The surge of stings from yellow jackets, bees and other insects has prompted the state health department to buy Benadryl and epinephrine injections as aid groups also work to acquire the medications and get them to those in the affected areas.
—Stephen Sorace, Fox News, 6 Oct. 2024
See all Example Sentences for epinephrine 
These examples are automatically compiled from online sources to
illustrate current usage. Opinions expressed in the examples do not represent those of
Merriam-Webster or its editors.
Send us feedback
about these examples.
Marco Rubio, Newsweek, 1 Nov. 2024
Immediate treatment for anaphylaxis is often necessary and typically requires an epinephrine injection.
—Lana Barhum, Verywell Health, 31 Oct. 2024
The emergency room staff administrated several rounds of epinephrine, three rounds of Narcan and CPR.
—Cathy Kozlowicz, Journal Sentinel, 8 Oct. 2024
The surge of stings from yellow jackets, bees and other insects has prompted the state health department to buy Benadryl and epinephrine injections as aid groups also work to acquire the medications and get them to those in the affected areas.
—Stephen Sorace, Fox News, 6 Oct. 2024
See all Example Sentences for epinephrine
Dictionary Entries Near epinephrine
Cite this Entry
“Epinephrine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/epinephrine. Accessed 19 Nov. 2024.
Copy CitationMedical Definition
epinephrine
noun
epi·neph·rine
variants
also epinephrin
: a colorless crystalline sympathomimetic hormone C9H13NO3 that is the principal blood-pressure-raising hormone secreted by the adrenal medulla, is prepared from adrenal extracts or made synthetically, and is used medicinally especially to stimulate the heart during cardiac arrest and to treat life-threatening allergic reactions
called also adrenaline
Love words? Need even more definitions?
Merriam-Webster unabridged
Share