copper phthalocyanine
A synthetic chemical used as a colorant in paints and dyes. First used in 1929. In pure form it is an intense blue. It is chlorinated to produce very intense dark green, and brominated and chlorinated copper phthalocyanines are mixed to produce a yellower emerald green.
(colloquial) Any time close to three o'clock.
Initialism of south-southeast.
pigeon-toed
保存修復士は、絵具や染料に用いられる合成の濃い青色顔料で、1929年に初めて使われ、強いエメラルドグリーンを生むために塩素化や臭素化されることもある銅フタロシアニンを用いて、色あせた壁画の鮮やかな青やエメラルドグリーンの色調を修復した。
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