naloxone

/nษ™หˆlษ’ksษ™สŠn/

IPA: /N EY1 L AA0 K S OW1 N IY0/

noun
  1. 1

    An opioid inverse agonist used to counter the effects of an overdose on opioids (such as heroin or morphine).

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