premarket

adjective

pre·​mar·​ket (ˌ)prē-ˈmär-kət 

variants or pre-market

1

: occurring in the period prior to a product being available for purchase

premarket safety testing

a premarket clinical study of a drug

Dietary supplements are essentially exempt from premarket approval and testing because, unlike many drugs, they do not claim to be effective, pure, and safe.

—Noel C. Paul

… fixed a premarket problem that led to lost pressure in the control.

—Bicycling

2

: occurring prior to the opening of a stock market

premarket trading

Word History

First Known Use

1923, in the meaning defined at sense 1