# pseudoephedrine

> English word · Noun · IPA /sjuː.dəʊˈɛf.ə.dɹiːn/ · frequency rank #76,241

## Definitions
1. A sympathomimetic alkaloid commonly used as a decongestant; a chemical compound, an isomer of ephedrine, with the formula C₁₀H₁₅NO.

## Etymology
From pseudo- + ephedrine.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/pseudoephedrine