osecommon nounSyllable DecompositionoseEtymologyexpandby lexicalization of the suffix -ose used to describe these molecules.Definitions1. A generic name given to non-hydrolyzable organic substances possessing a reducing group, aldehyde or ketone, and more than two alcohol functions. They are divided into trioses, tetroses, pentoses, hexoses and heptoses... depending on whether they contain 3, 4, 5, 6 or 7... carbon atoms. They are also distinguished as aldoses and ketoses depending on whether they have aldehyde or ketone functions.chimieexpand2. A chemical compound with the general chemical formula CnH2nOn, formed by a chain of carbon atoms, each bearing an alcohol function (-OH), except one which bears a carbonyl function (-CO-).biochimieexpandLes deux oses les plus connus sont le glucose et le fructose.PluralosesSee alsooses (v.)