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单词 onyx
释义

WordReference Random House Learner's Dictionary of American English © 2024
on•yx /ˈɑnɪks/USA pronunciation   n. 
  1. Mineralogya mineral stone, a form of quartz, having straight parallel bands of alternating colors: [countable]a bright onyx.[uncountable]a statue of onyx.
  2. [uncountable] black, esp. a pure or jet black.

adj. 
  1. black, esp. jet black.

WordReference Random House Unabridged Dictionary of American English © 2024
on•yx  (on′iks, ō′niks),USA pronunciation 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. 
  1. black, esp. jet black.
  • Greek ónyx nail, claw, veined gem
  • Latin onyx
  • Middle English onix 1250–1300

Collins Concise English Dictionary © HarperCollins Publishers::
onyx /ˈɒnɪks/ n
  1. a variety of chalcedony with alternating black and white parallel bands, used as a gemstone. Formula: SiO2
  2. a compact variety of calcite used as an ornamental stone; onyx marble. Formula: CaCO3
Etymology: 13th Century: from Latin from Greek: fingernail (so called from its veined appearance)
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更新时间：2025/7/23 13:23:37