naloxone
Americannoun
noun
Etymology
Origin of naloxone
First recorded in 1960–65; by shortening and rearrangement of dihydroxy-, morphinan-, and -one, components of its chemical name
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Telemedicine and mobile clinics have made access to treatment more accessible for some communities, and policy changes in recent years have increased access to the overdose-reversing drug naloxone.
From The Wall Street Journal • May 13, 2026
She is a nurse with more than 30 years' experience and can prescribe treatments and hand out naloxone, which she describes as "like a duty of care or a moral issue".
From BBC • Feb. 12, 2026
It’s a simple modification of naloxone that cannot get past the blood brain barrier, essentially the brain’s security system.
From Salon • Feb. 6, 2025
Most often administered as a nasal spray, naloxone finds and replaces opioid receptors, binding stronger than the opioid and effectively blocking it.
From Los Angeles Times • Jun. 6, 2024
The naloxone will move to the CalRx label once its approved by the U.S.
From Seattle Times • Apr. 29, 2024
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.