pseudoephedrine

[soo-doh-i-fed-rin, -ef-i-dreen, -drin]

pseu·do·e·phed·rine

[soo-doh-i-fed-rin, -ef-i-dreen, -drin]
noun Pharmacology.
a dextrorotatory, isomeric compound, C10H15NO, used as a nasal decongestant.

Origin:
pseudo- + ephedrine
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Pseudoephedrine has a plethora of syllables.
So is antidisestablishmentarianism. Does it mean:
a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S.
opposition to the withdrawal of state support or recognition from an established church, esp. the Anglican Church in 19th-century England.
Collins
World English Dictionary
pseudoephedrine (ˌsjuːdəʊˈɛfɪˌdriːn, -ˌdrɪn)
 
n
a drug similar in action to ephedrine, used extensively as a decongestant

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