| 单词 | ruby |
| 释义 | Word Frequency ruby(ˈruːbɪ) nounWord forms: plural -bies 1. a deep red transparent precious variety of corundum: occurs naturally in Myanmar and Sri Lanka but is also synthesized. It is used as a gemstone, in lasers, and for bearings and rollers in watchmaking. Formula: Al2O3 2. a. the deep-red colour of a ruby b. (as adjective) ruby lips 3. a. something resembling, made of, or containing a ruby b. (as modifier) ruby necklace 4. (modifier) denoting a fortieth anniversary our ruby wedding 5. (formerly) a size of printer's type approximately equal to 51⁄2 point Derived forms ruby-like (ˈruby-ˌlike) adjective Word origin C14: from Old French rubi, from Latin rubeus reddish, from ruber red |
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