from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A tough, protective, semitransparent substance, primarily a nitrogen-containing polysaccharide, forming the principal component of arthropod exoskeletons and the cell walls of certain fungi.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A complex polysaccharide, a polymer of N-acetylglucosamine, found in the exoskeletons of arthropods and in the cell walls of fungi; thought to be responsible for some forms of asthma in humans.
from the GNU version of the Collaborative International Dictionary of English
- n. A white amorphous horny substance forming the harder part of the outer integument of insects, crustacea, and various other invertebrates; entomolin.
from The Century Dictionary and Cyclopedia
- n. The name given by Odier to the organic substance which forms the elytra and integuments of insects and the carapaces of Crustacea, and which may be obtained by exhausting the wing-cases of May-beetles or June-bugs with water, alcohol, ether, acetic acid, and boiling alkalis.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a tough semitransparent horny substance; the principal component of the exoskeletons of arthropods and the cell walls of certain fungi
French chitine : New Latin chitōn, mollusk (from Greek khitōn, chiton; see chiton) + -ine2.(American Heritage® Dictionary of the English Language, Fourth Edition)
From French chitine, from Latin chitōn ("mollusk"). See also chiton. (Wiktionary)