endorphin

== English == === Etymology === Borrowed from French endorphine, from endo(gène) (“endogenous, produced within”) and morphine. === Pronunciation === (UK) IPA(key): /ɛnˈdɔːfɪn/ (US) IPA(key): /ɛnˈdɔ(ɹ)fɪn/ Rhymes: -ɔː(ɹ)fɪn === Noun === endorphin (plural endorphins) (biochemistry) Any of a group of peptide hormones found in the mammalian brain that act as neurotransmitters and have properties similar to morphine. ==== Derived terms ==== endorphinergic neoendorphin ==== Translations ==== === Further reading === endorphin on Wikipedia.Wikipedia