: the sulfate of dextroamphetamine

Word History

First Known Use

1961, in the meaning defined above

Time Traveler
The first known use of dex was in 1961

Dictionary Entries Near dex

Cite this Entry

“Dex.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dex. Accessed 21 Jul. 2024.

Medical Definition

dex

noun
: the sulfate of dextroamphetamine
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!