platinumとは 意味・読み方・使い方

語源

From Spanish platina (“little silver”) del Pinto ("of the Pinto") +‎ -um. It was called "little" (または "lesser") silver because the metal was found as an impurity in gold, and del Pinto for the Pinto River in Grand Columbia where Europeans discovered it being mined by Native Americans.

発音

• enPR: plăt'ĭn-əm, IPA^(key): /ˈplæt.ɪn.əm/; enPR: plăt'nəm, IPA^(key): /ˈplæt.nəm/; enPR: plăt'n-əm, IPA^(key): /ˈplæt.n̩.əm/
• (廃れた用法, 一般的ではない用法) IPA^(key): /pləˈtaɪn.əm/, /pləˈtiːn.əm/, /pləˈtɪn.əm/^[1]
• 韻: -ætɪnəm, -ætnəm, -ætn̩əm

名詞

platinum (countable かつ uncountable, 複数形 platinums)

2. The chemical element with atomic number 78 and symbol Pt; a dense, malleable, ductile, highly unreactive, silverish-white transition metal of great value.
4. A whitish grey colour, like that of the metal.

   platinum:  

6. (music) A single or album that has achieved platinum sales, i.e. over 1 million or 2 million.
8. (medicine, sometimes, elliptically) A platinum-based drug: a platin.

同意語

• platina (廃れた用法)
• white gold (廃れた用法)

派生語

関連する語

• platina

形容詞

platinum (not comparable)

1. Of a whitish grey colour, like that of the metal.
2. Of a musical recording that has sold over one million copies (for singles), or two million (for albums).
3. Very expensive, or of very high quality

   We can offer the platinum service for fifty dollars extra.

派生語

• go platinum
• platinum blond

動詞

platinum (三人称単数 現在形 platinums, 現在分詞 platinuming, 過去形および過去分詞形 platinumed)

1. (computer games) to reach platinum level in a game

   I platinumed in Clash of Clans yesterday.

参考

• cooperite
• sperrylite
• Appendix:Colors

参照

Further reading

• David Barthelmy (1997–2023), “Platinum”, in Webmineral Mineralogy Database.
• “platinum”, in Mindat.org‎^[1], Hudson Institute of Mineralogy, 2000–2023.

Latin

発音

• (Classical) IPA^(key): /plaˈtiː.num/, [pɫ̪äˈt̪iːnʊ̃ˑ]
• (Ecclesiastical) IPA^(key): /plaˈti.num/, [pläˈt̪iːnum]

名詞

platīnum n (genitive platīnī); second declension

1. platinum

語形変化

Second-declension noun (neuter).