1. a scientist who studies drugs and their effects on living organisms

Examples

• The pharmacologist tested the new medication on laboratory mice.
• She became a pharmacologist after studying chemistry and biology in college.
• The hospital’s pharmacologist advised doctors on proper drug dosages.
• A team of pharmacologists worked to develop safer pain medications.
• The pharmacologist published research on drug interactions.
• He consulted with a pharmacologist before prescribing the experimental treatment.