endorphin

/ษ›nหˆdษ”หfษชn/

IPA: /EH0 N D AO1 R F IH0 N/

noun
  1. 1

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

Source: https://en.wiktionary.org/wiki/endorphin