| 释义 |
Definition of chromium in English: chromiumnoun ˈkrəʊmɪəmˈkroʊmiəm mass nounThe chemical element of atomic number 24, a hard white metal used in stainless steel and other alloys. 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. Definition of chromium in US English: chromiumnounˈkroʊmiəmˈkrōmēəm The chemical element of atomic number 24, a hard white metal used in stainless steel and other alloys. 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. |