| 单词 | onyx |
| 释义 | onyx /on"iks, oh"niks/, n. 1. Mineral. a variety of chalcedony having straight parallel bands of alternating colors. Cf. Mexican onyx. 2. (not used technically) an unbanded chalcedony dyed for ornamental purposes. 3. black, esp. a pure or jet black. 4. Med. a nail of a finger or toe. adj. 5. black, esp. jet black. [1250-1300; ME onix < L onyx < Gk ónyx nail, claw, veined gem] |
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