Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
An anticholinergic drug administered by oral inhalation in the form of its bromide C19H22NO4S2Br·H2O as a bronchodilator in the treatment of chronic obstructive pulmonary disease.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: medicine, pharmacology, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Etymology tree Proto-Indo-European *dhewh2-der.? Ancient Greek θέειον (théeion) Ancient Greek θεῖον (theîon)der. English thio- English -trop- Proto-Indo-European *-om Proto-Italic *-om Latin -umder. English -ium English tiotropium From thio- (“containing sulfur”) + -trop- (“atropine derivative”) + -ium (“quaternary ammonium compound”).
