名詞 yttrium:

1. a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
   同義詞：Y, atomic number 39

yt.tri.um

n.Symbol Y （名詞）符號 Y
A silvery metallic element, not a rare earth but occurring in nearly all rare-earth minerals, used in various metallurgical applications, notably to increase the strength of magnesium and aluminum alloys. Atomic number 39; atomic weight 88.905; melting point ,522=C; boiling point 3,338=C; specific gravity 4.45 (25=C); valence 3.See table at element
釔：一種銀色金屬元素，不是稀土但幾乎存在于所有的稀土物質(zhì)中，用于各種冶金的運(yùn)用中，可顯著提高鎂鋁合金的強(qiáng)度。原子序數(shù)39；原子量88.905；熔點(diǎn),522=C；沸點(diǎn)3,338=C；比重4.45（在25=C時）；化合價(jià)3參見 element

來源：
From yttria
源自 yttria

【引伸】
yt.tric