noun. a small bottle that contains a drug (especially a sealed sterile container for injection by needle).
1. Noun, singular or mass Chemical elements that tend to be unstable in the presence of air or another compound remain intact and keep their potency when stored in an ampule. 2. Adjective You’ll learn about aseptic hand washing, taking care of horizontal and vertical laminar airflow hoods, vial and ampule manipulations and hazardous vial and ampule manipulations.