platinum

名词 platinum:

1. a heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits
   同义词：Pt, atomic number 78

1. Platinum, especially as found naturally in impure form.
   天然铂铂，尤指自然界中发现的以不纯的形式存在的铂
2. Originally Edison used platinum alloys for the filament, in the belief that carbon was impracticable.
   爱迪生不相信碳可作灯丝用，所以一开始就用铂合金作灯丝。
3. Platinum is used to make jewelry.
   白金常常用来做珠宝饰物。

plat.i.num

n.（名词）
Symbol Pt A silver-white metallic element occurring worldwide, usually mixed with other metals such as iridium, osmium, or nickel. It is ductile and malleable, does not oxidize in air, and is used as a catalyst and in electrical components, jewelry, dentistry, and electroplating. Atomic number 78; atomic weight 95.09; melting point ,772=C; boiling point 3,827=C; specific gravity 2.45; valence 2, 3, 4.See table at element
符号 Pt 铂：一种世界范围内存在的银白色金属元素，常与其它金属，如铱、锇或镍混合，易拉长且具延展性的，在空气中不氧化，可用作催化剂，用于电学元件、珠宝，牙科学和电镀中。原子序数78；原子量95.09；熔点,772=C；沸点3,827=C；比重2.45；化合价2,3,4参见 element
Color A medium to light gray.
【色彩】 铂灰色：亮灰色的媒质

来源：
New Latin
现代拉丁语
from Spanish platina [platinum] * see platina
源自 西班牙语 platina [铂] *参见 platina