microdosing

[ mahy-kroh-doh-sing ]

noun

1. the practice of taking or administering very small amounts of a psychoactive drug, such as cannabis, LSD, or psilocybin, to improve mood or enhance cognitive functioning, without hallucinogenic or other disorienting effects.
2. the practice of administering a much smaller amount of a medicine than is normally used or prescribed:

   Microdosing with lithium is being studied as a treatment for Alzheimer’s disease.

Word History and Origins

Origin of microdosing¹

First recorded in 1965–70; microdos(e) ( def ) + -ing ¹( def )