Phrase guide
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noun
A artificial blue pigment made from barium copper tetrasilicate (“BaO·CuO·(SiO2)4”), used in ancient China from the Western Zhou period (1045 BCE) until the end of the Han dynasty (circa 220 CE).
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Synonyms: Han blue
Antonyms: none provided
History
From Chinese + blue. From being an artificial blue pigment invented by the ancient Chinese.
