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单词 indigo blue
释义

WordReference Random House Unabridged Dictionary of American English © 2024
in′digo blue′, 
    1. indigo (def. 4).
    2. Also called indigo, indigotin. a dark-blue, water-insoluble, crystalline powder, C16H10N2O2, having a bronzelike luster, the essential coloring principle of which is contained along with other substances in the dye indigo and which can be produced synthetically.
    • 1705–15
    in′di•go-blue′, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
indigo blue n , adj (indigo-blue when prenominal)
  1. the full name for indigo,
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更新时间：2024/9/20 6:37:47