carboxymethylcellulose

[ kahr-bok-see-meth-uh l-sel-yuh-lohs ]
/ kɑrˌbɒk siˌmɛθ əlˈsɛl yəˌloʊs /

noun

a white, water-soluble polymer derived from cellulose, used as a coating and sizing for paper and textiles, a stabilizer for various foods, and an appetite suppressor.
Also called cellulose gum.

Origin of carboxymethylcellulose

First recorded in 1945–50; carb- + oxy-2 + methyl + cellulose