praseodymium
معنی کامل و مثالها
/prā´zē ō dim´ē ǝm/n.
● (شیمی) پرازئودیمیم (فلز کمیاب خاکی که املاح آن سبز فام هستند - نشان: Pr، وزن اتمی: 140/907، شمارهی اتمی: 59، وزن مخصوص: 6/73، نقطهی گداز: 931c، نقطهی جوش: 3520c)
ریشه و کاربرد
ریشه
Derived from the Greek words 'prasios' meaning 'green' and 'didymos' meaning 'twin', referring to the green color of its salts and its close association with neodymium.
مثال
- Praseodymium is commonly used in the production of magnets.
- The chemist studied the properties of praseodymium compounds.
- The green color of the fireworks was achieved by adding praseodymium to the mixture.
ترکیبهای رایج
Praseodymium compounds Praseodymium salts Praseodymium production Praseodymium minerals
تعریف انگلیسی
noun
- a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process “Substance Holonyms: bastnasite, bastnaesite, monazite”