Definition of cadmium in English:

cadmium

(also Cd)

noun

mass noun
  • The chemical element of atomic number 48, a silvery-white metal.

    Cadmium occurs naturally in zinc ores and is obtained as a by-product of zinc smelting. It is used as a component in alloys with a low melting point and as a corrosion-resistant coating on other metals

    • ‘These elements include mercury, bromine, cadmium, indium, thallium, lead, and bismuth.’
    • ‘New processing methods are outlined from which potassium, sodium, barium, strontium and cadmium were discovered.’
    • ‘And with toxic metals like cadmium, mercury and lead, it's the same story.’
    • ‘Crabs, for example, when examined, show up to 20 times the normal levels of carcinogenic metals such as cadmium and cobalt.’
    • ‘When waste oils are burned in incinerators, toxic metals such as nickel, vanadium and cadmium get ensnared in the particles given off into the atmosphere.’
    • ‘For example, many metals, like cadmium, lead, and mercury are toxic to humans and are mutagenic and carcinogenic.’
    • ‘Finally, vitamin C can help rid the body of heavy metal toxins, including mercury, lead, cadmium and nickel.’
    • ‘The thermal and electrical conductivity of copper are relatively unaffected by small amounts of either silver or cadmium.’
    • ‘In addition to mercury and lead, the other heavy metals commonly used by auto makers are cadmium and hexavalent chromium.’
    • ‘Exposure to toxic metals such as cadmium or lead can result in an alteration in peripheral metabolism of thyroid hormones.’
    • ‘Other heavy metals, such as cadmium, were not recognized as poisonous until the early nineteenth century.’
    • ‘But motor oil wears out and gets dirty, soaking up toxic heavy metals like lead and cadmium, and so it must be changed.’
    • ‘A final stress condition that was characterized was exposure to the heavy metal cadmium.’
    • ‘Similarly, small amounts of the toxic trace metal cadmium can promote plant growth’
    • ‘Computers contain chemicals such as brominated flame retardants and heavy metals like lead and cadmium.’
    • ‘The principal pollutants are lead, cadmium, zinc, iron and manganese.’
    • ‘Unknown quantities of mercury, lead, chromium and cadmium are also on board.’
    • ‘The use of chlorophyll fluorescence to study effects of cadmium, copper, and mercury on photosynthesis has been recently reviewed.’
    • ‘Selenium appears to antagonize cadmium, especially in acute exposures.’
    • ‘High levels of zinc, cadmium, and barium have also been consistently found in residential soils close by the plant.’

Origin

Early 19th century from Latin cadmia ‘calamine’, so named because it is found with calamine in zinc ore. Compare with calamine.

Pronunciation

cadmium

/ˈkadmɪəm/