Wratten numbers

A form of Wratten number — Any of the arbitrary alphanumeric codes in a system for labelling optical filters, usually for photographic use.

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Meanings

noun
  1. pluralplural of Wratten number
Cite this entry
APA

Wratten numbers. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Wratten%20numbers

MLA

“Wratten numbers.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Wratten%20numbers. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Wratten numbers,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Wratten%20numbers.

Source: Wratten numbers on Wiktionary, CC BY-SA 4.0.