名詞 lanthanum:

1. a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
   同義詞：La, atomic number 57

lan.tha.num

n.Symbol La （名詞）符號(hào) La
A soft, silvery-white, malleable, ductile, metallic rare-earth element, obtained chiefly from monazite and bastnaesite and used in glass manufacture and with other rare earths in carbon lights for movie and television studio lighting. Atomic number 57; atomic weight 38.9; melting point 920=C; boiling point 3,4'9=C; specific gravity 5.98 to '.8'; valence 3.See table at element
鑭：一種質(zhì)軟、銀白色、有延展性的、可塑性的稀有金屬，主要是從獨(dú)居石和氟碳鈰礦中提取出來(lái)，用于玻璃工業(yè)及電影或電視攝影照明的碳棒燈中。原子序數(shù)57；原子量38.9；熔點(diǎn)920=C；沸點(diǎn)3,49'=C；比重5.98到'.8'；原子價(jià)3參見(jiàn) element

來(lái)源：
New Latin
現(xiàn)代拉丁語(yǔ)
from Greek lanthanein [to escape notice (from the finding of the element hidden in oxide of cerium)]
源自 希臘語(yǔ) lanthanein [避開(kāi)注意力（指不被從鈰氧化物元素中提?。