Definition of purpurogallin in English:

purpurogallin

noun ˌpəːpjʊrə(ʊ)ˈɡalɪn

Chemistry

An orange-red crystalline dye, originally prepared by mild oxidation of pyrogallol and later found to occur in some oak galls.

Origin

Late 19th century; earliest use found in Journal of the Chemical Society. From French purpurogalline from purpur- (in purpurine) + -ogall- + -ine. The dye was so named after the unrelated purpurin by analogy with the preparation of that substance by oxidation of alizarin.

Definition of purpurogallin in US English:

purpurogallin

nounˌpəːpjʊrə(ʊ)ˈɡalɪn

Chemistry

An orange-red crystalline dye, originally prepared by mild oxidation of pyrogallol and later found to occur in some oak galls.

Origin

Late 19th century; earliest use found in Journal of the Chemical Society. From French purpurogalline from purpur- (in purpurine) + -ogall- + -ine. The dye was so named after the unrelated purpurin by analogy with the preparation of that substance by oxidation of alizarin.

词汇	purpurogallin
释义	Definition of purpurogallin in English: purpurogallin noun ˌpəːpjʊrə(ʊ)ˈɡalɪn Chemistry An orange-red crystalline dye, originally prepared by mild oxidation of pyrogallol and later found to occur in some oak galls. Origin Late 19th century; earliest use found in Journal of the Chemical Society. From French purpurogalline from purpur- (in purpurine) + -ogall- + -ine. The dye was so named after the unrelated purpurin by analogy with the preparation of that substance by oxidation of alizarin. Definition of purpurogallin in US English: purpurogallin nounˌpəːpjʊrə(ʊ)ˈɡalɪn Chemistry An orange-red crystalline dye, originally prepared by mild oxidation of pyrogallol and later found to occur in some oak galls. Origin Late 19th century; earliest use found in Journal of the Chemical Society. From French purpurogalline from purpur- (in purpurine) + -ogall- + -ine. The dye was so named after the unrelated purpurin by analogy with the preparation of that substance by oxidation of alizarin.
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