| 单词 | protective colloid |
| 释义 | > as lemmasprotective colloid protective colloid n. [apparently after German Schutzkolloid ( R. Zsigmondy Zur Erkenntnis der Kolloide (1905) ii. 22)] Chemistry a lyophilic colloid whose presence in small quantities protects a lyophobic sol (cf. protect v. 3d). ΘΚΠ the world > matter > chemistry > physical chemistry > colloid > [noun] > protective colloid protective colloid1909 1909 J. Alexander tr. R. Zsigmondy Colloids & Ultramicroscope iii. 77 Lobry de Bruyn (1898), characterized gelatin jelly as a protective colloid (Schutzkolloid). 1950 E. K. Fischer Colloidal Dispersions vi. 247 In the manufacture of colored pigments, protective colloids aid in keeping the particle size small. 1992 Jrnl. Agric. & Food Chem. 40 801 Gum acacia, a protective colloid, prevented precipitation by impeding the coalescence of the colloidal particles formed. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。