Endorphin

Pronunciation

• UK IPA: /É›nˈdɔːfɪn/
• US IPA: /É›nˈdÉ”(ɹ)fɪn/
• Rhymes: -ɔː(ɹ)fɪn

Origin

From French endorphine, from endo(gène) ‘endogenous’ + (mo)rphine ‘morphine’.

Full definition of endorphin

Noun

1. (biochemistry) Any of a group of peptide hormones found in the brain that act as neurotransmitters and have properties similar to morphine.