Montelukast

//ˌmɑn.təˈluːˌkæst// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A leukotriene antagonist (trademark Singulair) used orally in the form of its sodium salt C₃₅H₃₅ClNNaO₃S to treat asthma or to relieve the symptoms of seasonal allergic rhinitis. uncountable

Etymology

From Mont(r)e(al) + -lukast (“leukotriene receptor antagonist”), named after the city of Montreal, where the drug was developed by Merck in 1991.

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