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单词 potch
释义

Definition of potch in English:

potch

(also potch opal)
noun pɒtʃ
mass noun
  • Opal which has no play of colour and is of no value.

    Example sentencesExamples
    • It often serves as an excellent dark backing for black opals which normally have a thin segment of precious opal naturally formed on a potch backing.
    • They usually consist of a very thin opal slice sandwiched between a glass or quartz top and a potch, basanite, jade, or black onyx bottom.
    • One potential use of common or potch opal is for the production of cristobalite for use as a dental and jewellery investment.

Origin

Late 19th century: of unknown origin.

 
 
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更新时间:2024/12/23 13:50:25