名詞 praseodymium:

1. a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process
   同義詞：Pr, atomic number 59

pra.se.o.dym.i.um

n.Symbol Pr （名詞）符號(hào) Pr
A soft, silvery, malleable, ductile rare-earth element that develops a characteristic green tarnish in air. It occurs naturally with other rare earths in monazite and is used to color glass and ceramics yellow, as a core material for carbon arcs, and in metallic alloys. Atomic number 59; atomic weight 40.907; melting point 935=C; boiling point 3,27=C; specific gravity '.8; valence 3, 4.See table at element
鐠：一種銀色、柔軟、可延展的粘性稀土元素，在空氣中能形成綠色失澤膜，在自然界中它與其它稀土元素一同存在于獨(dú)居石中，用于彩色玻璃和陶器黃色顏料，是炭精電弧的核心材料，并用于金屬合金。原子序數(shù)59；原子量40.907；熔點(diǎn)935=C；沸點(diǎn)3,27=C；比重'.8；化合價(jià)3,4參見 element

來(lái)源：
New Latin
現(xiàn)代拉丁語(yǔ)
from Greek prasios [leek-green] from prason [leek]
源自 希臘語(yǔ) prasios [蔥綠] 源自 prason [蔥]
(di)dymium
(di)dymium