carboxymethylcellulosen.

Brit.

/kɑːˌbɒksɪˌmiːθʌɪlˈsɛljᵿləʊs/,

/kɑːˌbɒksɪˌmiːθʌɪlˈsɛljᵿləʊz/, U.S.

/kɑrˈbɑkslˌmɛθ(ə)lˈsɛljəˌloʊs/,

/kɑrˈbɑkslˌmɛθ(ə)lˈsɛljəˌloʊz/; see also methyl n.

Origin: Formed within English, by compounding. Etymons: carboxy- comb. form, methyl n., cellulose n.

Etymology: < carboxy- comb. form + methyl n. + cellulose n.

Chemistry.

Any of a range of derivatives of cellulose in which a proportion of the hydrogen atoms of the hydroxyl groups are replaced by carboxymethyl groups, —CH₂COOH.Some forms of carboxymethylcellulose (often as sodium salts) are used as stabilizers and thickeners in foodstuffs and other products.

ΚΠ

1945 Industr. & Engin. Chem. (Industr. ed.) 37 943/1 The newest member of the cellulose derivative family to be introduced commercially, carboxymethylcellulose, is finding wide acceptance in industry.

1967 M. Chandler Ceramics in Mod. World iii. 98 The ceramist adds some organic binder and hardener, such as sodium carboxy-methyl-cellulose.

1999 C. Mendelson Home Comforts xxiii. 349/1 Sizings usually contain sodium carboxymethylcellulose, a derivative of cotton that dries and stiffens when exposed to heat.

2002 E. Sloane Biol. Women (ed. 4) iv. 104/2 By 1985, tampons containing carboxymethylcellulose were withdrawn from the market.

This is a new entry (OED Third Edition, December 2008; most recently modified version published online December 2021).

单词	carboxymethylcellulose
释义	carboxymethylcellulosen. Brit. /kɑːˌbɒksɪˌmiːθʌɪlˈsɛljᵿləʊs/, /kɑːˌbɒksɪˌmiːθʌɪlˈsɛljᵿləʊz/, U.S. /kɑrˈbɑkslˌmɛθ(ə)lˈsɛljəˌloʊs/, /kɑrˈbɑkslˌmɛθ(ə)lˈsɛljəˌloʊz/; see also methyl n. Origin: Formed within English, by compounding. Etymons: carboxy- comb. form, methyl n., cellulose n. Etymology: < carboxy- comb. form + methyl n. + cellulose n. Chemistry. Any of a range of derivatives of cellulose in which a proportion of the hydrogen atoms of the hydroxyl groups are replaced by carboxymethyl groups, —CH₂COOH.Some forms of carboxymethylcellulose (often as sodium salts) are used as stabilizers and thickeners in foodstuffs and other products. ΚΠ 1945 Industr. & Engin. Chem. (Industr. ed.) 37 943/1 The newest member of the cellulose derivative family to be introduced commercially, carboxymethylcellulose, is finding wide acceptance in industry. 1967 M. Chandler Ceramics in Mod. World iii. 98 The ceramist adds some organic binder and hardener, such as sodium carboxy-methyl-cellulose. 1999 C. Mendelson Home Comforts xxiii. 349/1 Sizings usually contain sodium carboxymethylcellulose, a derivative of cotton that dries and stiffens when exposed to heat. 2002 E. Sloane Biol. Women (ed. 4) iv. 104/2 By 1985, tampons containing carboxymethylcellulose were withdrawn from the market. This is a new entry (OED Third Edition, December 2008; most recently modified version published online December 2021). < n.1945
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