[ sel-yuh-lohs ]
/ ˈsɛl yəˌloʊs /


an inert carbohydrate, (C6H10O5)n, the chief constituent of the cell walls of plants and of wood, cotton, hemp, paper, etc.

Origin of cellulose

1745–55; < New Latin cellul(a) live cell (see cellular) + -ose2


cel·lu·los·i·ty [sel-yuh-los-i-tee] /ˌsɛl yəˈlɒs ɪ ti/, nounsem·i·cel·lu·lose, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for cellulose

British Dictionary definitions for cellulose

/ (ˈsɛljʊˌləʊz, -ˌləʊs) /


a polysaccharide consisting of long unbranched chains of linked glucose units: the main constituent of plant cell walls and used in making paper, rayon, and film

Derived forms of cellulose

cellulosic, adjective, noun

Word Origin for cellulose

C18: from French cellule cell (see cellule) + -ose ²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for cellulose

[ sĕlyə-lōs′, -lōz′ ]


A complex carbohydrate that is composed of glucose units, forms the main constituent of the cell wall in most plants, and is important in the manufacture of numerous products, such as pharmaceuticals.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for cellulose

[ sĕlyə-lōs′ ]

A carbohydrate that is a polymer composed of glucose units and that is the main component of the cell walls of most plants. It is insoluble in water and is used to make paper, cellophane, textiles, explosives, and other products.
See cellulose acetate.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for cellulose

[ (sel-yuh-lohs) ]

A stringy, fibrous substance that forms the main material in the cell walls of plants. Cellulose is an organic molecule (see also organic molecules), composed of carbon, hydrogen, and oxygen.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.