noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A sympathomimetic alkaloid commonly used as a decongestant; a chemical compound, an isomer of ephedrine, with the formula C₁₀H₁₅NO. countable, uncountable
2. 2
   poisonous crystalline alkaloid occurring with ephedrine and isomorphic with it wordnet

Etymology

From pseudo- + ephedrine.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.