pre-impregnatev.

Brit.

/ˌpriːɪmˈprɛɡneɪt/, U.S.

/ˌpriᵻmˈprɛɡˌneɪt/

Origin: Formed within English, by derivation. Etymons: pre- prefix, impregnate v.

Etymology: < pre- prefix + impregnate v. Compare earlier pre-impregnated adj., pre-impregnation n.

Manufacturing Technology.

transitive. To impregnate (a material) with a substance prior to further processing; spec. to impregnate reinforcing materials with synthetic resin before use.

ΘΚΠ

society > occupation and work > industry > manufacturing processes > perform general or industrial manufacturing processes [verb (transitive)] > preprocess > types of preliminary process

preheat1862

precool1907

premix1917

precast1919

pre-cut1945

pre-impregnate1951

pre-score1957

prepreg1964

precure1973

1951 Industr. & Engin. Chem. Feb. 327/1 The object to be impregnated—leather, for example—can be preimpregnated with a converting agent or catalyst.

1958 Times 1 Dec. 2/5 Aeroplastics Limited..have commenced production of their new process of preimpregnating glass fabric.

1970 Materials & Technol. III. xii. 871 Mats or fabrics are pre-impregnated with resin by passing through baths containing a solution of the resin.

1995 Composites Sci. & Technol. 53 167/1 Continuous fiber bundles, pre-impregnated with dry polymer fibers by a typical co-mingling technique, were used to prepare unidirectional composite plates.

This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).

单词	pre-impregnate
释义	pre-impregnatev. Brit. /ˌpriːɪmˈprɛɡneɪt/, U.S. /ˌpriᵻmˈprɛɡˌneɪt/ Origin: Formed within English, by derivation. Etymons: pre- prefix, impregnate v. Etymology: < pre- prefix + impregnate v. Compare earlier pre-impregnated adj., pre-impregnation n. Manufacturing Technology. transitive. To impregnate (a material) with a substance prior to further processing; spec. to impregnate reinforcing materials with synthetic resin before use. ΘΚΠ society > occupation and work > industry > manufacturing processes > perform general or industrial manufacturing processes [verb (transitive)] > preprocess > types of preliminary process preheat1862 precool1907 premix1917 precast1919 pre-cut1945 pre-impregnate1951 pre-score1957 prepreg1964 precure1973 1951 Industr. & Engin. Chem. Feb. 327/1 The object to be impregnated—leather, for example—can be preimpregnated with a converting agent or catalyst. 1958 Times 1 Dec. 2/5 Aeroplastics Limited..have commenced production of their new process of preimpregnating glass fabric. 1970 Materials & Technol. III. xii. 871 Mats or fabrics are pre-impregnated with resin by passing through baths containing a solution of the resin. 1995 Composites Sci. & Technol. 53 167/1 Continuous fiber bundles, pre-impregnated with dry polymer fibers by a typical co-mingling technique, were used to prepare unidirectional composite plates. This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022). < v.1951
随便看	trachodont trachodontid trachodonts trachoma trachoma glands trachomas trachomatous trachomedusan trachy trachy- trachyandesite trachybasalt trachycarpous trachychromatic trachydolerite trachyglossate trachymedusan trachynemid trachynote trachyphonia trachypteroid trachyrhyolite trachyspermous trachyte trachyte porphyry