英语词汇“tropaeolin”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

tropaeolin

/trə(ʊ)ˈpiːəlɪn/

(also tropaeoline, tropeolin) Chemistry

noun

Any of a group of orange and yellow sulphonated azo dyes, some of which are used as pH indicators. Frequently with capital letter, numeral, etc. as a postpositive, denoting a particular dye of this group, as tropaeolin O.

Origin

Late 19th century; earliest use found in Chemical News. From tropaeolum) + -in, after German Tropäolin. Apparently so called from the resemblance of the colours of the dyes to those of the flowers of some species of Tropaeolum.

单词	tropaeolin
释义	tropaeolin /trə(ʊ)ˈpiːəlɪn/ (also tropaeoline, tropeolin) Chemistry noun Any of a group of orange and yellow sulphonated azo dyes, some of which are used as pH indicators. Frequently with capital letter, numeral, etc. as a postpositive, denoting a particular dye of this group, as tropaeolin O. Origin Late 19th century; earliest use found in Chemical News. From tropaeolum) + -in, after German Tropäolin. Apparently so called from the resemblance of the colours of the dyes to those of the flowers of some species of Tropaeolum.
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