1. A trademark for methamphetamine, especially in tablet or injectable form; an amphetamine stimulant drug.
Usage: slang; informal; often capitalized as a brand name; primarily historical usage (mid-20th century)

Examples

• Methedrine was marketed as a pharmaceutical stimulant in the 1940s and 1950s.
• The drug became widely abused despite its original medical purposes.
• Historical records show methedrine was used by soldiers during World War II to combat fatigue.
• The trademark methedrine eventually fell out of common pharmaceutical use due to addiction risks.