1766, from Latinized form of Greek akhromatos "colorless," from a-, privative prefix (see a- (3)), + khromat-, comb. form of khroma "color" (see chroma) + -ic.
权威例句
1. An achromatic conformal optical system working within infrared waveband was designed by him.
他设计了一个红外波段消色差共形光学系统。
2. A doubly achromatic magnetic deflection system with three sector magnet is described.
描述了一个三扇形磁铁消色差磁偏转系统.
3. CCR : Short for Complementary Colour Removal. A method of achromatic separations by Hell Company.
是英文字义“除去补色”的简称.是“海尔”公司所用的一种消色分色法.
4. Its color is only blue and white two - day, one of blue achromatic effect of the best.
其颜色只有天蓝色和白色两种, 其中蓝色的消色效果为最佳.
5. Achromatic: Without color. Black, white and gray are achromatic, but called colors by artist.