单词 | rainbow quartz |
释义 | rainbow quartz in British Englishnoun mineralogy another name for iris (sense 3) iris in British English (ˈaɪrɪs) nounWord forms: plural irises or irides (ˈaɪrɪˌdiːz, ˈɪrɪ-) 1. the coloured muscular diaphragm that surrounds and controls the size of the pupil 2. Also called: fleur-de-lys any plant of the iridaceous genus Iris, having brightly coloured flowers composed of three petals and three drooping sepals See also flag3, orris1, stinking iris 3. Also called: rainbow quartz a form of quartz that reflects light polychromatically from internal fractures 4. a rare or poetic word for rainbow 5. something resembling a rainbow; iridescence 6. short for iris diaphragm Word origin C14: from Latin: rainbow, iris (flower), crystal, from Greek |
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