hydrocolloidn.

/hʌɪdrəʊˈkɒlɔɪd/

Forms: Also (with hyphen) hydro-colloid.

Etymology: < hydro- comb. form + colloid adj. and n.

Any substance that will form a gel on the addition of water; a gel so produced. Also attributive or as adj.

ΘΚΠ

the world > matter > chemistry > physical chemistry > colloid > [noun] > gel > types

alcogel1864

hydrogel1864

aerogel1923

hydrocolloid1926

1926 Brit. Pat. 271,306 The subject matter of the present invention is a reversible hydro-colloid mass which may serve for..enabling castings to be taken from the oral cavity for dental purposes.

1946 C. K. Tseng in J. Alexander Colloid Chem., Theoret. & Appl. VI. xxxi. 717 Agar is a reversible hydrocolloid and materials made with it must be warmed to a solution and cooled to a gel.

1954 Adv. Chem. Ser. XI. 92 Irish moss extractive, also known as carrageenin,..is a hydrocolloid gum.

1955 Sturdevant & Brauer in J. C. Brauer Dental Asst. xx. 287 The reversible hydrocolloids are used for tray impressions to form casts of the teeth and jaws.

Derivatives

ˌhydrocoˈlloidal adj.

ΘΚΠ

the world > matter > chemistry > physical chemistry > colloid > [adjective] > hydrocolloid

hydrocolloidal1928

1928 Chem. Abstr. 22 1659 A mixt. of rubber, fatty substances and resins is incorporated, in fine distribution, in a hydrocolloidal mucilaginous basic substance such as sea weeds or algaceous plants.

1947 J. C. Rich Materials & Methods Sculpt. v. 96 Commercial hydrocolloidal compositions.

1956 J. N. Anderson Appl. Dental Materials xx. 240 All hydrocolloidal gels consist largely of water enclosed rather loosely within the gel fibrils.

This entry has not yet been fully updated (first published 1976; most recently modified version published online December 2020).

单词	hydrocolloid
释义	hydrocolloidn. /hʌɪdrəʊˈkɒlɔɪd/ Forms: Also (with hyphen) hydro-colloid. Etymology: < hydro- comb. form + colloid adj. and n. Any substance that will form a gel on the addition of water; a gel so produced. Also attributive or as adj. ΘΚΠ the world > matter > chemistry > physical chemistry > colloid > [noun] > gel > types alcogel1864 hydrogel1864 aerogel1923 hydrocolloid1926 1926 Brit. Pat. 271,306 The subject matter of the present invention is a reversible hydro-colloid mass which may serve for..enabling castings to be taken from the oral cavity for dental purposes. 1946 C. K. Tseng in J. Alexander Colloid Chem., Theoret. & Appl. VI. xxxi. 717 Agar is a reversible hydrocolloid and materials made with it must be warmed to a solution and cooled to a gel. 1954 Adv. Chem. Ser. XI. 92 Irish moss extractive, also known as carrageenin,..is a hydrocolloid gum. 1955 Sturdevant & Brauer in J. C. Brauer Dental Asst. xx. 287 The reversible hydrocolloids are used for tray impressions to form casts of the teeth and jaws. Derivatives ˌhydrocoˈlloidal adj. ΘΚΠ the world > matter > chemistry > physical chemistry > colloid > [adjective] > hydrocolloid hydrocolloidal1928 1928 Chem. Abstr. 22 1659 A mixt. of rubber, fatty substances and resins is incorporated, in fine distribution, in a hydrocolloidal mucilaginous basic substance such as sea weeds or algaceous plants. 1947 J. C. Rich Materials & Methods Sculpt. v. 96 Commercial hydrocolloidal compositions. 1956 J. N. Anderson Appl. Dental Materials xx. 240 All hydrocolloidal gels consist largely of water enclosed rather loosely within the gel fibrils. This entry has not yet been fully updated (first published 1976; most recently modified version published online December 2020). < n.1926
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