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单词 chromium
释义

chromium

/ˈkrəʊmɪəm /
noun [mass noun]
The chemical element of atomic number 24, a hard white metal used in stainless steel and other alloys. (Symbol: Cr) The metal can be, for example, titanium, tantalum, chromium, aluminium or tungsten....
  • 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.

Origin

Early 19th century: from chrome + -ium.

Rhymes

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更新时间:2024/11/11 16:00:19