onyx

IPA/ˈɒnɪks/
KK[ˈɑnɪks]IPA/ˈɑːnɪks/

onyx — noun

1. a hard stone with flat bands of different colours, often black and white, that i

1.名詞B2
釋義

a hard stone with flat bands of different colours, often black and white, that is cut and polished for use in jewellery and carved objects

例句

Hari wore a ring with a black onyx stone set in silver.

countable: a single cut stone of onyx

The museum displayed an ancient Roman cameo carved from onyx.

uncountable: onyx as a carving material

同義詞
  • agate

    agate is a broader category of banded chalcedony; onyx has straight parallel bands while agate has curved bands

  • sardonyx

    a variety of onyx with red (sard) and white bands, specifically named

用法筆記

Uncountable by default (e.g. 'a table inlaid with onyx'). Countable when referring to a specific stone in jewellery ('a fine onyx in a gold setting').

常見錯誤

❌She wore an onyx bracelet.' (correct as given)
✅She wore an onyx bracelet.
💡onyx is fine as an attributive noun to describe the material of an item.
❌The counter is made of an onyx.' (when meaning the material)
✅The counter is made of onyx.
💡use uncountable form for the material in general.