名詞 ytterbium:

1. a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime
   同義詞：Yb, atomic number 70

yt.ter.bi.um

n.Symbol Yb （名詞）符號 Yb
A soft, bright, silvery rare-earth element occurring in two allotropic forms and used as an x-ray source for portable irradiation devices, in some laser materials, and in some special alloys. Atomic number 70; atomic weight 73.04; melting point 824=C; boiling point ,9'=C; specific gravity '.972 or '.54 (25=C) depending on allotropic form; valence 2, 3.See table at element
鐿：一種柔軟、明亮的銀色稀土元素，存在于兩種同素異形體中，被用作便攜式的放射線治療設(shè)備的X射線源，也用于一些激光物質(zhì)和特殊合金中。原子序數(shù)70；原子量73.04；熔點824=C；沸點,9'=C；比重依兩種同素形體'.972或'.54(25=C)；化合價2,3參見 element

來源：
After Ytterby , a town in Sweden
源自 依特白 ，瑞典一城鎮(zhèn)

【引伸】
ytter.bic