tourmalineとは

意味・読み方・使い方

語源

From French tourmaline, ultimately from Sinhalese [script needed] (stóramalli, “carnelian”).

発音

IPA^(key): /ˈtʊəɹməliːn/

名詞

tourmaline (countable かつ uncountable, 複数形 tourmalines)

1. A complex black or dark-coloured borosilicate mineral, compounded with various chemical elements and considered a semi-precious stone.
   • 2012 March 1, Lee A. Groat, “Gemstones”, in American Scientist‎^[1], volume 100, number 2, page 128:

     Although there are dozens of different types of gems, among the best known and most important are […] . (Common gem materials not addressed in this article include amber, amethyst, chalcedony, garnet, lazurite, malachite, opals, peridot, rhodonite, spinel, tourmaline, turquoise かつ zircon.)

2. A transparent gemstone cut from it.

派生語

関連する語

アナグラム

• moluranite