noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A sympathomimetic amine used as a topical nasal decongestant and vasoconstrictor in dentistry. uncountable

Synonyms

All synonyms

α-methylnorepinephrine

Etymology

From levo- + nordefrin.

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