blue-blackblue-black | meaning of blue-black in Collins Dictionariesblue-black meaning, definition, what is blue-black: of a colour between blue and black: Learn more.of a colour between blue and blackWhat does blue-black mean and how do you use blue-black in a sentence?[URL]/blue-black
Collins English Dictionary
adjectiveof a colour between blue and black ⇒ blue-black feathers
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COBUILD Advanced British English Dictionary
colourSomething that is blue-black is bluish black in colour. ⇒ ...blue-black feathers.