出典:Wiktionary
One of the variant spellings of Nichol, a Middle English vernacular form of the given name Nicholas.
出典:Wikipedia
出典:『Wikipedia』 (2011/06/21 02:33 UTC 版)
Nickel ( /ˈnɪkəl/) is a chemical element with the chemical symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. It is one of the four elements that are ferromagnetic around room temperature, the other three being iron, cobalt and gadolinium.