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单词 neutral-density
释义

Definition of neutral-density in English:

neutral-density

adjective
Photography

  • Designating a filter that absorbs light of all wavelengths to the same extent and so causes no change in its colour.

Origin

1930s; earliest use found in Keith Henney (b. 1896).

Definition of neutral-density in US English:

neutral-density

adjective
Photography

  • Designating a filter that absorbs light of all wavelengths to the same extent and so causes no change in its colour.

Origin

1930s; earliest use found in Keith Henney (b. 1896).
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更新时间：2025/7/5 22:04:38