nickel

nickel /nick·el/ (Ni) (nik´'l) a chemical element, at. no. 28. Long-term exposure to metallic nickel, as in jewelry, can cause contact (nickel) dermatitis; nickel fumes can be carcinogenic.

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nick·el (nkl)

n. Symbol Ni

A silvery hard ductile metallic element used in alloys and in corrosion-resistant surfaces. Atomic number 28.

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nickel,

n a toxic heavy metal found in industrial emissions; has been linked to immune system dysfunction.

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nickel,

n a silvery-white metallic element. Its atomic number is 28 and its atomic weight is 58.69. Large numbers of people are allergic to nickel. Nickel causes more cases of allergic contact dermatitis than all other metals combined. Many cases of allergic contact dermatitis occur from exposure to the nickel content of jewelry, coins, buckles, and snaps, and from continued use of “carbonless” business forms.

nickel-chromium alloy,

n See alloy, nickel-chromium.

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nickel

a chemical element, atomic number 28, atomic weight 58.71, symbol Ni. See Table 6.