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单词 chromium
释义

Definition of chromium in English:

chromium

noun ˈkrəʊmɪəmˈkroʊmiəm
mass noun
  • The chemical element of atomic number 24, a hard white metal used in stainless steel and other alloys.

    (化学元素)铬(符号: Cr

    A transition metal, chromium is used in stainless steel and other alloys, and as a shiny decorative and corrosion-resistant plating. Its chief ore is chromite. Many chromium salts are brightly coloured and are used in dyes and pigments, and in tanning leather

    Example sentencesExamples
    • Metal oxides such as chromium, iron, copper, or manganese, are used to colour glass, and the shades range from a light green to deep blue to topaz yellow.
    • The most common of the special elements added to cast iron are nickel, chromium, copper and molybdenum.
    • However, nickel alloys containing chromium, titanium and aluminum will form a thin oxide film.
    • Common alloys used for this purpose include molybdenum and chromium in addition to manganese and carbon.
    • The metal can be, for example, titanium, tantalum, chromium, aluminium or tungsten.

Origin

Early 19th century: from chrome + -ium.

Rhymes

encomium

Definition of chromium in US English:

chromium

nounˈkroʊmiəmˈkrōmēəm
  • The chemical element of atomic number 24, a hard white metal used in stainless steel and other alloys.

    (化学元素)铬(符号: Cr

    A transition metal, chromium is used in stainless steel and other alloys, and as a shiny decorative and corrosion-resistant plating. Its chief ore is chromite. Many chromium salts are brightly coloured and are used in dyes and pigments, and in tanning leather

    Example sentencesExamples
    • The metal can be, for example, titanium, tantalum, chromium, aluminium or tungsten.
    • Common alloys used for this purpose include molybdenum and chromium in addition to manganese and carbon.
    • However, nickel alloys containing chromium, titanium and aluminum will form a thin oxide film.
    • The most common of the special elements added to cast iron are nickel, chromium, copper and molybdenum.
    • Metal oxides such as chromium, iron, copper, or manganese, are used to colour glass, and the shades range from a light green to deep blue to topaz yellow.

Origin

Early 19th century: from chrome + -ium.

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更新时间:2024/12/27 18:29:07