chitin

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chi·tin

 (kīt′n)
n.
A nitrogen-containing polysaccharide that is a tough, protective, semitransparent substance and is the principal component of arthropod exoskeletons and the cell walls of certain fungi.

[French chitine : New Latin chitōn, mollusk (from Greek khitōn, chiton; see chiton) + -ine.]

chi′tin·ous adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

chitin

(ˈkaɪtɪn)
n
(Biochemistry) a polysaccharide that is the principal component of the exoskeletons of arthropods and of the bodies of fungi
[C19: from French chitine, from Greek khitōn chiton + -in]
ˈchitinous adj
ˈchitinˌoid adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

chi•tin

(ˈkaɪ tɪn)

n.
a nitrogen-containing polysaccharide, related chemically to cellulose, that forms a semitransparent horny substance and is a principal constituent of the exoskeleton, or outer covering, of insects, crustaceans, and arachnids.
[1830–40; < French chitine < Greek chit(ṓn) tunic, chiton]
chi′tin•ous, adj.
chi′tin•oid`, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

chi·tin

(kīt′n)
A tough, semitransparent substance that is the main component of the exoskeletons of arthropods, such as the shells of crustaceans and the outer coverings of insects. Chitin is a carbohydrate and is also found in the cell walls of certain fungi and algae.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chitin - a tough semitransparent horny substance; the principal component of the exoskeletons of arthropods and the cell walls of certain fungi
glucosamine - an amino derivative of glucose that is a component of many polysaccharides
polyose, polysaccharide - any of a class of carbohydrates whose molecules contain chains of monosaccharide molecules
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The anterior end had apical papillae and a chitinoid oral clasp (Figure 1, panel C).