英 ['perɪdɒt]美 ['pɛrɪ,dɑt]
n. 橄榄石（颜色呈现浓绿色）；[矿物] 贵橄榄石
peridot (n.)
type of gemstone, mid-14c. (mid-13c. in Anglo-Latin), from Old French peritot (early 13c., Modern French péridot), of unknown origin.
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