| 单词 | nickel |
| 释义 | nickel n. & v. --n 1. Chem. a malleable ductile silver-white metallic transition element, occurring naturally in various minerals and used in special steels, in magnetic alloys, and as a catalyst. Usage Symb.: Ni. 2. colloq. a US five-cent coin. --vtr. (nickelled, nickelling; US nickeled, nickeling) coat with nickel. Phrases and idioms nickel brass an alloy of copper, zinc, and a small amount of nickel. nickel-plated coated with nickel by plating. nickel silver = German silver. nickel steel a type of stainless steel with chromium and nickel. Derivatives nickelic adj. nickelous adj. Etymology: abbr. of G Kupfernickel copper-coloured ore, from which nickel was first obtained, f. Kupfer copper + Nickel demon, with ref. to the ore's failure to yield copper |
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