GC: n

S: http://www.els.net/WileyCDA/ElsArticle/refId-a0000694.html (last access: 25 July 2016); http://www.rsc.org/chemistryworld/2013/08/chitin-biopolymer-chitosan-podcast (last access: 25 July 2016).

N: 1. 1836, from French chitine, from Greek khiton “frock, tunic,” of soldiers, “coat of mail,” used metaphorically for “any coat or covering.” “Probably an Oriental word” (Liddell & Scott). Klein compares Hebrew kuttoneth “coat,” Aramaic kittana, Arabic kattan “linen.”
2. A nitrogenous polysaccharide with the formula … occurring as skeletal material in many Invertebrates particularly the cuticle of Arthropoda.
3. A waste product of the shellfish processing industry.
4. A component of insect, arachnid and crustacean shells.

S: 1. OED – http://www.etymonline.com/index.php?term=chitin (last access: 25 July 2016). 2 to 4. TERMIUM PLUS – http://goo.gl/SAuOG4 (last access: 25 July 2016).

SYN:
S:

CR: chitosan, hemostasis.