名詞 palladium:

1. a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry
   同義詞：Pd, atomic number 46

palladium

n.Symbol Pd （名詞）符號 Pd
A soft, ductile, steel-white, tarnish-resistant, metallic element occurring naturally with platinum, especially in gold, nickel, and copper ores. Because it can absorb large amounts of hydrogen, it is used as a purification filter for hydrogen and a catalyst in hydrogenation. It is alloyed for use in electric contacts, jewelry, nonmagnetic watch parts, and surgical instruments. Atomic number 4'; atomic weight 0'.4; melting point ,552=C; boiling point 3,40=C; specific gravity 2.02 (20=C); valence 2, 3, 4.See table at element
鈀：一種柔軟的，易拉長的，銀白色的，保持光澤的金屬性元素，常與鉑共生，尤其在金、鎳和銅礦中存在。因為它能吸收大量氫，常用作除氫的過濾器或氫化作用的催化劑。其合金可用于電子接觸器、珠寶、無磁性表部件以及外科醫(yī)用器具。原子序數(shù)4'；原子量0'.4；熔點,552=C；沸點3,40=C；比重2.02（在20=C時）；化合價2，3，4參見 element

來源：
From Pallas [(discovered at the same time as the element)]
源自 Pallas[（與該元素同時被發(fā)現(xiàn)）]

palladium
palladium 2

n.（名詞）
【復(fù)數(shù)】 pal.la.di.a[-dô-…] 或 pal.la.di.ums
A safeguard, especially one viewed as a guarantee of the integrity of social institutions:
保障：保衛(wèi)，尤指被看作保證社會機關(guān)廉正的人：
例句：
the Bill of Rights, palladium of American civil liberties.
人權(quán)法案，美國公民自由的衛(wèi)士

A sacred object that was believed to have the power to preserve a city or state possessing it.
帕拉狄昂女神的神像：一種圣物，被認為對持有它的城或州具保護的力量

來源：
Middle English Palladion [a statue of Pallas Athena believed to protect Troy]
中古英語 Palladion [據(jù)說可以保護特洛伊帕拉斯·雅典娜塑像]
from Old French palladion
源自 古法語 palladion
from Latin Palladium
源自 拉丁語 Palladium
from Greek Palladion
源自 希臘語 Palladion
from Pallas Pallad- [Pallas Athena]
源自 Pallas Pallad- [帕拉斯·雅典娜]