Definitions

1. noun

a naturally occurring alkaloid found in the Ephedra sinica plant, used as a decongestant and bronchodilator.

“The doctor prescribed ephedrin to help relieve my congestion due to allergies.”

2. noun

a synthetic version of the ephedrine alkaloid, used as a stimulant and decongestant.

“The athlete took ephedrin to boost their energy levels before the competition.”