Jisho

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Noun, No-adjective, Na-adjective
1. blue
2. green
Noun
3. green lightAbbreviation, See also 青信号
4. black (horse coat color)See also 青毛
Prefix
5. immature; unripe; young
Wikipedia definition
6. BlueBlue is a colour, the perception of which is evoked by light having a spectrum dominated by energy with a wavelength of roughly 450–490 nm. It is considered one of the additive primary colours. On the HSV Colour Wheel, the complement of blue is yellow; that is, a colour corresponding to an equal mixture of red and green light.
Read “Blue” on English Wikipedia
Read “青” on Japanese Wikipedia
Read “Blue” on DBpedia
Other forms
蒼 【あお】碧 【あお】

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