noun phen·ox·azine \(ˈ)fēn, (ˈ)fen+\

Definition of phenoxazine

  1. :  a crystalline compound C12H9NO that is analogous in structure to phenothiazine with oxygen in place of sulfur and that is the parent of oxazine dyes (as gallocyanine)

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Origin and Etymology of phenoxazine

International Scientific Vocabulary phen- + oxazine

Seen and Heard

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a rounded knoll or a ridge of ice

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