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单词 tungsten
释义

Definition of tungsten in English:

tungsten

noun ˈtʌŋst(ə)nˈtəŋstən
mass noun
  • The chemical element of atomic number 74, a hard steel-grey metal of the transition series. It has a very high melting point (3410°C) and is used to make electric light filaments.

    (化学元素)钨(符号: W

    Example sentencesExamples
    • While most bullets have been jacketed with copper-zinc alloy, a variety of other hard metals, including tungsten, have been used.
    • Certainly tungsten as a metal is much denser than either brass or lead and it really showed in these flies.
    • Because tungsten is much harder than stainless steel, it is also more difficult to machine mechanically.
    • In the beginning, tin, lead, copper, silver, and gold were mined; there was no use for tungsten at that time.
    • There are also deposits of tungsten, vanadium, tin, copper, and lead.
    • The high melting point of tungsten makes it an obvious choice for structural applications exposed to very high temperatures.
    • It reminded me of a science experiment that involved heating a block of tungsten to light it up.
    • Interior designers and architects will want to employ rich, dark finishes and tungsten light sources.
    • At present the required electrons are generated by heating suitable metal wires, typically tungsten, to high temperatures.
    • A metal additive in the charge, such as titanium or tungsten, gives the flame a sparkling effect.
    • Its melting and boiling points are third highest among all elements after tungsten and rhenium.
    • Kyrgyzstan has deposits of gold, coal, bismuth, mercury, antimony, tungsten, and copper.
    • The traditional tungsten filament bulb is the one we've all grown up with.
    • Recently, experimenters found that adding some tungsten to the compound could drive down the transition temperature.
    • As Warne surely knows, you can't have a serious career as a Test bowler without a hide of tungsten.
    • The electrode is tungsten coated and water cooled because of the high temperatures involved.
    • Unlike the bright glare of tungsten lights, these award-winning stories come alive under softer lights and live performances.
    • The tungsten filament of an incandescent light is an example of a wire under extreme conditions.
    • A small but very important amount of tungsten is also used to make the filament in incandescent light bulbs.
    • The metals tungsten and copper both exhibit very high ductilities.

Origin

Late 18th century: from Swedish, from tung 'heavy' + sten 'stone'.

Definition of tungsten in US English:

tungsten

nounˈtəŋstənˈtəNGstən
  • The chemical element of atomic number 74, a hard steel-gray metal of the transition series. It has a very high melting point (3410°C) and is used to make electric light filaments.

    (化学元素)钨(符号: W

    Example sentencesExamples
    • Kyrgyzstan has deposits of gold, coal, bismuth, mercury, antimony, tungsten, and copper.
    • Its melting and boiling points are third highest among all elements after tungsten and rhenium.
    • Certainly tungsten as a metal is much denser than either brass or lead and it really showed in these flies.
    • The high melting point of tungsten makes it an obvious choice for structural applications exposed to very high temperatures.
    • The traditional tungsten filament bulb is the one we've all grown up with.
    • As Warne surely knows, you can't have a serious career as a Test bowler without a hide of tungsten.
    • At present the required electrons are generated by heating suitable metal wires, typically tungsten, to high temperatures.
    • A small but very important amount of tungsten is also used to make the filament in incandescent light bulbs.
    • Unlike the bright glare of tungsten lights, these award-winning stories come alive under softer lights and live performances.
    • Because tungsten is much harder than stainless steel, it is also more difficult to machine mechanically.
    • There are also deposits of tungsten, vanadium, tin, copper, and lead.
    • It reminded me of a science experiment that involved heating a block of tungsten to light it up.
    • While most bullets have been jacketed with copper-zinc alloy, a variety of other hard metals, including tungsten, have been used.
    • The tungsten filament of an incandescent light is an example of a wire under extreme conditions.
    • The electrode is tungsten coated and water cooled because of the high temperatures involved.
    • The metals tungsten and copper both exhibit very high ductilities.
    • Interior designers and architects will want to employ rich, dark finishes and tungsten light sources.
    • In the beginning, tin, lead, copper, silver, and gold were mined; there was no use for tungsten at that time.
    • Recently, experimenters found that adding some tungsten to the compound could drive down the transition temperature.
    • A metal additive in the charge, such as titanium or tungsten, gives the flame a sparkling effect.

Origin

Late 18th century: from Swedish, from tung ‘heavy’ + sten ‘stone’.

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更新时间:2024/10/19 16:40:48