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词汇 molybdenum
释义

Definition of molybdenum in English:

molybdenum

noun məˈlɪbdənəmməˈlɪbdənəm
mass noun
  • The chemical element of atomic number 42, a brittle silver-grey metal of the transition series, used in some alloy steels.

    (化学元素)钼(符号: Mo

    Example sentencesExamples
    • Common hydroprocessing catalysts consist of an aluminum oxide carrier on to which the metals molybdenum and nickel or cobalt are added.
    • The corresponding loss in yield strength is compensated by alloying with vanadium, nitrogen, chromium, molybdenum, and titanium.
    • Vanadium, molybdenum, niobium, titanium, chromium, nickel, manganese are but a few of the many metals which make their way into steel to yield alloys with special properties.
    • One might be able to recover from waste relatively pure metals, such as chromium and molybdenum, which are for all practical purposes identical to unused materials.
    • We added copper, cobalt, selenium, molybdenum, etc to the deficient soils and transformed the plant and animal health.

Origin

Early 19th century: modern Latin, earlier molybdena (originally denoting a salt of lead), from Greek molubdaina 'plummet', from molubdos 'lead'.

Definition of molybdenum in US English:

molybdenum

nounməˈlibdənəmməˈlɪbdənəm
  • The chemical element of atomic number 42, a brittle silver-gray metal of the transition series, used in some alloy steels.

    (化学元素)钼(符号: Mo

    Example sentencesExamples
    • Common hydroprocessing catalysts consist of an aluminum oxide carrier on to which the metals molybdenum and nickel or cobalt are added.
    • One might be able to recover from waste relatively pure metals, such as chromium and molybdenum, which are for all practical purposes identical to unused materials.
    • The corresponding loss in yield strength is compensated by alloying with vanadium, nitrogen, chromium, molybdenum, and titanium.
    • Vanadium, molybdenum, niobium, titanium, chromium, nickel, manganese are but a few of the many metals which make their way into steel to yield alloys with special properties.
    • We added copper, cobalt, selenium, molybdenum, etc to the deficient soils and transformed the plant and animal health.

Origin

Early 19th century: modern Latin, earlier molybdena (originally denoting a salt of lead), from Greek molubdaina ‘plummet’, from molubdos ‘lead’.

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