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词汇 perovskite
释义

Definition of perovskite in English:

perovskite

noun pəˈrɒfskʌɪtpəˈrävzkīt
mass noun
  • 1A yellow, brown, or black mineral consisting largely of calcium titanate.

    钙钛矿

    Example sentencesExamples
    • The engines of tomorrow's PCs may be based not on silicon dioxide but on exotic new compounds such as perovskite oxide or even the stuff of life itself, DNA.
    • Some of the characteristic minerals found in kimberlite are perovskite, magnetite, and spinel.
    • Iron, for example, becomes non-magnetic and may tend to migrate from perovskite toward another mineral as the pressure rises.
    • Some age determinations used atios measured on macrocrystal phlogopite; others used ratios from perovskite crystals.
    • The catalyst, which was first studied for use in catalytic converters in the early 1970s, includes the mineral perovskite with palladium.
    1. 1.1count noun Any of a group of related minerals and ceramics having the same crystal structure as perovskite.
      类似钛酸钙晶体的矿物(或陶瓷)
      Example sentencesExamples
      • The product is based on mixed-metal oxide chemistry - blending two or more non-PGM metal components (such as perovskites and spinels).
      • The new films include 10 or so alternating layers of positively charged dusters and negatively charged materials called perovskites.

Origin

Mid 19th century: from the name of L. A. Perovsky (1792–1856), Russian mineralogist, + -ite1.

Definition of perovskite in US English:

perovskite

nounpəˈrävzkīt
  • 1A yellow, brown, or black mineral consisting largely of calcium titanate.

    钙钛矿

    Example sentencesExamples
    • Some of the characteristic minerals found in kimberlite are perovskite, magnetite, and spinel.
    • Some age determinations used atios measured on macrocrystal phlogopite; others used ratios from perovskite crystals.
    • The engines of tomorrow's PCs may be based not on silicon dioxide but on exotic new compounds such as perovskite oxide or even the stuff of life itself, DNA.
    • Iron, for example, becomes non-magnetic and may tend to migrate from perovskite toward another mineral as the pressure rises.
    • The catalyst, which was first studied for use in catalytic converters in the early 1970s, includes the mineral perovskite with palladium.
    1. 1.1 Any of a group of related minerals and ceramics having the same crystal structure as perovskite.
      类似钛酸钙晶体的矿物(或陶瓷)
      Example sentencesExamples
      • The new films include 10 or so alternating layers of positively charged dusters and negatively charged materials called perovskites.
      • The product is based on mixed-metal oxide chemistry - blending two or more non-PGM metal components (such as perovskites and spinels).

Origin

Mid 19th century: from the name of L. A. Perovsky (1792–1856), Russian mineralogist, + -ite.

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