naloxone

English

Chemical structure of naloxone

Etymology

From nal- (“opioid receptor antagonist/agonist”) +‎ (hydr)ox(y) +‎ -one.

Pronunciation

• (Received Pronunciation) IPA^(key): /nəˈlɒk.səʊn/
• (General American) IPA^(key): /nəˈlɑkˌsoʊn/
• Hyphenation: na‧lox‧one

Noun

naloxone (uncountable)

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

Hyponyms

brand names

• Narcan

 

Coordinate terms

• naltrexone

 

References

• “naloxone”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “naloxone”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

– Sometimes misspelled naxalone.