[mass noun]a brilliant red pigment made from mercury sulphide (cinnabar) 银朱,朱砂 ■a brilliant red colour 朱红色,鲜红色 a lateral stripe of vermilion. 朱红色横条。 [as modifier]vermilion streaks of sunset. 落日的一道道朱红色光芒。
语源
Middle English: from Old French vermeillon, from vermeil, from Latin vermiculus, diminutive of vermis 'worm'