English-Thai Dictionary
gadolinite
N แร่ ซิ ลิ เค ท
Webster's 1828 Dictionary
GADOLINITE
n.A mineral, so called from Professor Gadolin, usually in amorphous masses of a blackish color, and having the appearance of vitreous lava. It contains a new earth called yttria.
Webster's 1913 Dictionary
GADOLINITE
Gad "o *lin *ite, n. Etym: [Named after Gadolin, a Russian chemist. ](Min. )
Defn: A mineral of a nearly black color and vitreous luster, and consisting principally of the silicates of yttrium, cerium, and iron.
New American Oxford Dictionary
gadolinite
gad o lin ite |ˈgadl-əˌnīt ˈɡædlənaɪt | ▶noun a rare dark brown or black mineral, consisting of a silicate of iron, beryllium, and rare earths. ORIGIN early 19th cent.: named after Johan Gadolin (1760 –1852 ), the Finnish mineralogist who first identified it.
Oxford Dictionary
gadolinite
gadolinite |ˈgad (ə )lɪnʌɪt, gəˈdəʊlɪnʌɪt | ▶noun [ mass noun ] a rare dark brown or black mineral, consisting of a silicate of iron, beryllium, and rare earths. ORIGIN early 19th cent.: named after Johan Gadolin (1760 –1852 ), the Finnish mineralogist who first identified it.
The Wordsmith Dictionary