ipratropium bromide

[ip-ruh-troh-pee-uhm]

noun Pharmacology.

an anticholinergic bronchodilator, C₂₀H₃₀BrNO₃, used in the treatment of chronic bronchitis and in airway obstruction diseases.

Origin:
i(so)pr(opylnor)atrop(in)ium a component of the chemical name; see isopropyl, nor-, atropine, -ium

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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Ipratropium bromide has a plethora of syllables.

So is pneumonoultramicroscopicsilicovolcanoconiosis. Does it mean:

opposition to the withdrawal of state support or recognition from an established church, esp. the Anglican Church in 19th-century England.

an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.

WordNet

ipratropium bromide
noun
an inhaled bronchodilator (trade name Atrovent)

Word Dynamo Rating For Ipratropium bromide

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ip·ra·tro·pi·um bro·mide