achromatic
/ˌækrəʊˈmætɪk/adjective
1
- relating to, employing, or denoting lenses that transmit light without separating it into constituent colours（透镜）消色差的。
2
- poetic/literary without colour〈诗/文〉无色的：
the achromatic gloom.
无色的阴郁。
派生词
achromaticity
nounachromatism
noun词源
late 18th cent.: via French from Greek a- 'without' + khrōmatikos （from khrōma 'colour'）.