Breadcrumb Home > Dictionary > Index C Cite chitosan: Meaning and Definition of Find definitions for: chi•to•san Pronunciation: (kī'tu-san"), [key] — n. Chem. a derivative of chitin, used in waste-water treatment. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chiton Chi-tse TrendingHere are the facts and trivia that people are buzzing about. January 2021 Current Events: US News Noble Titles and Ranks in a Monarchy Chinese New Year History, Meaning, and Celebrations The Manchu The 5 Best Air Purifiers of 2020 Inaugural Trivia Related Content Daily Word Quiz: umbrage Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language