hemicellulose

[hem-i-sel-yuh-lohs]

hem·i·cel·lu·lose

[hem-i-sel-yuh-lohs]
noun
any of a group of gummy polysaccharides, intermediate in complexity between sugar and cellulose, that hydrolyze to monosaccharides more readily than cellulose.

Origin:
1890–95; hemi- + cellulose
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Hemicellulose has a plethora of syllables.
So is floccinaucinihilipilification. Does it mean:
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.
the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
Collins
World English Dictionary
hemicellulose (ˌhɛmɪˈsɛljʊˌləʊz)
 
n
any of a group of plant polysaccharides that occur chiefly in the cell wall

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

hemicellulose hem·i·cel·lu·lose (hěm'ĭ-sěl'yə-lōs', -lōz')
n.
Any of several polysaccharides that are more complex than a sugar and less complex than cellulose and found in plant cell walls.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Britannica
Encyclopedia

hemicellulose

any of a group of complex carbohydrates that, with other carbohydrates (e.g., pectins), surround the cellulose fibres of plant cells. The most common hemicelluloses contain xylans (many molecules of the five-carbon sugar xylose linked together), a uronic acid (i.e., sugar acid), and arabinose (another five-carbon sugar). Hemicelluloses have no chemical relationship to cellulose.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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