achromatic
词根词缀：
achromatic adj. 非彩色的
a 无 + chromatic 彩色的 → 非彩色的
chromatic adj. 彩色的
chrom 颜色 + atic 有…性质的 → 彩色的
chromosome n. 染色体
chromo 颜色 + som 身体 + e → 染色体
monochrome adj. 单色的
mono 单个 + chrom 颜色 + e → 单色的
数据来源：新东方英语词汇速记大全
相关例句：
The wakefield effects induced by the front particle, using impulse approximation, are equivalent to additional momentum increases of the tail particle at the midplane of achromatic system.
该效应在脉冲积分近似下，等价于在消色差系统中央平面上对束团施加一个附加的纵向和横向动量增量。
Design of Hybrid Refractive/ Diffractive Achromatic Telescope Objective Using Binary Optical Element
二元光学折/衍混合消色差望远物镜设计
A new achromatic transparent coating was developed which consists of polymer-modified resin and some auxiliaries.
为提高装饰性镀层的耐蚀性，延长其使用寿命，开发出一种无色透明涂膜。
Being of the achromatic color of maximum darkness; having little or no hue owing to absorption of almost all incident light.
最黑的非彩色颜色；因为吸收了几乎所有的入射光而只有很少的颜色或者没有颜色。
In this paper we have discussed the relation between the whiteness of the light source and lightness, achromatic stimulus sensation and colour temperature etc.
本文探讨了光源色白度与明度、无色彩感和色温等因素的关系。
Design of Three-in-one Composite Achromatic Compensator
三元复合式消色差补偿器的研究与测试