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单词 achromatism
释义

WordReference Random House Unabridged Dictionary of American English © 2024
a•chro•ma•tism  (ā krōmə tiz′əm),USA pronunciation n. [Optics.]
  1. Opticsfreedom from color.
  2. Opticsfreedom from chromatic aberration, as in an achromatic lens.
Also, achromaticity. 
  • achromat(ic) + -ism 1790–1800

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