Any of a class of carbohydrates, such as starch and cellulose, consisting of a number of monosaccharides joined by glycosidic bonds.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "polysaccharide" in a sentence
"The pneumococcal polysaccharide is linked to a harmless protein."
"The first example of the fundamental role of the sugar nucleotides in polysaccharide biosynthesis was found by Leloir in 1959 in the case of glycogen."
"Ultraviolet light breaks open chitosan, a complex carbohydrate called a polysaccharide, revealing another set of reactive arms."