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词汇 macle
释义

Definition of macle in English:

macle

noun ˈmak(ə)lˈmækəl
  • 1A diamond or other crystal that is twinned.

    双晶,孪晶

    Example sentencesExamples
    • Almost all the creeks that have produced gold crystals have produced triangular spinel-twinned crystals or macles.
    • Flattened contact twins are known in the gem trade as macles.
    • Good brown macle twins up to several carats in weight have been available in recent years from the Udachnaya mine.
  • 2

    another term for chiastolite
    Example sentencesExamples
    • The chiastolite, or macle, shows the representation of a cross on its surface, this effect being produced by the regular arrangement of carbonaceous impurities along the axes of the crystal.
    • The variety chiastolite (also called cross-stone, or macle) forms long prisms in a cross section.

Origin

Early 19th century: from French, from Anglo-Latin mascula 'mesh'.

Definition of macle in US English:

macle

nounˈmakəlˈmækəl
  • 1A diamond or other crystal that is twinned.

    双晶,孪晶

    Example sentencesExamples
    • Good brown macle twins up to several carats in weight have been available in recent years from the Udachnaya mine.
    • Flattened contact twins are known in the gem trade as macles.
    • Almost all the creeks that have produced gold crystals have produced triangular spinel-twinned crystals or macles.
  • 2

    another term for chiastolite
    Example sentencesExamples
    • The variety chiastolite (also called cross-stone, or macle) forms long prisms in a cross section.
    • The chiastolite, or macle, shows the representation of a cross on its surface, this effect being produced by the regular arrangement of carbonaceous impurities along the axes of the crystal.

Origin

Early 19th century: from French, from Anglo-Latin mascula ‘mesh’.

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