| 单词 | gum bichromate process |
| 释义 | gum bichromate processnouna contact printing method in which the image is formed on a coating of sensitized gum containing a suitable colored pigment and potassium or ammonium dichromate. Also called gum dichromate process. Origin of gum bichromate processFirst recorded in 1895–1900 Words nearby gum bichromate processgum ammoniac, gum arabic, gumball, gum band, gum benzoin, gum bichromate process, gumbo, gumboil, gumbo-limbo, gumboot, gumboots Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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