| 释义 |
degum, v.|diːˈgʌm|
[de- II. 2 + gum n.2]
To deprive of gum; spec. (in the preparation of silk) to deglutinate. So deˈgummed ppl. a.; deˈgumming vbl. n. Also fig.
a1884Knight Dict. Mech. Suppl. 249/2 Degumming machine, a machine used in treating silk before dyeing. 1887Encycl. Brit. XXII. 62/2 The fibres..being now degummed, are separated from each other. 1938Thorpe's Dict. Appl. Chem. (ed. 4) II. 17/2 Generally silk is degummed as hanks of yarn. Degumming as cloth has..advantages. 1956Nature 3 Mar. 429/2, 4·86 gm. of the radioactive cocoon fibres was cut into small pieces and degummed. 1959N. Marsh Singing in Shrouds vii. 148 He treated his restive audience to a comprehensive de-gumming of Hamlet and Macbeth. 1960A. E. Bender Dict. of Nutrition 38/2 Degumming agents, used in refining of fats to remove mucilaginous matter consisting of gum, resin, proteins and phosphatides. 1963A. J. Hall Textile Sci. ii. 42 There is about 20 to 30% of silk-gum associated with the silk fibres so that a weight loss of this order results from de-gumming—it makes the de-gummed silk so much the more expensive. |