itacolumite

[it-uh-kol-yuh-mahyt]

it·a·col·u·mite

[it-uh-kol-yuh-mahyt]
noun
a sandstone consisting of interlocking quartz grains and mica scales, found principally in Brazil and North Carolina, and noted for its flexibility in thin slabs.

Origin:
1860–65; named after Itacolumi, mountain in Brazil; see -ite1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Itacolumite has a plethora of syllables.
So is dichlorodiphenyltrichloroethane. 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.
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.
Collins
World English Dictionary
itacolumite (ˌɪtəˈkɒljʊˌmaɪt)
 
n
a fine-grained micaceous sandstone that occurs in thin flexible slabs
 
[C19: named after Itacolumi mountain in Brazil where it is found]

Collins English Dictionary - Complete & Unabridged 10th Edition
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