English-Thai Dictionary
uraninite
N แร่ ที่ มี uranium trioxide ตะกั่ว เรเดียม และ ฮีเลียม
Webster's 1913 Dictionary
URANIN
URANIN U "ra *nin, n. (Chem. )
Defn: An alkaline salt of fluorescein, obtained as a brownish red substance, which is used as a dye; -- so called from the peculiar yellowish green fluorescence (resembling that of uranium glass ) of its solutions. See Fluorescein.
URANINITE
URANINITE U *ran "i *nite, n. (Min. )
Defn: A mineral consisting chiefly of uranium oxide with some lead, thorium, etc. , occurring in black octahedrons, also in masses with a pitchlike luster; pitchblende.
New American Oxford Dictionary
uraninite
u ran i nite |yo͝oˈrānəˌnīt, -ˈranə -jʊˈreɪnənaɪt | ▶noun a black, gray, or brown mineral that consists mainly of uranium dioxide and is the chief ore of uranium. pitchblende is a variety of uraninite. ORIGIN late 19th cent.: from urano- 2 + -ite 1 .
Oxford Dictionary
uraninite
uraninite |jʊˈranɪnʌɪt | ▶noun [ mass noun ] a black, grey, or brown mineral which consists mainly of uranium dioxide and is the chief ore of uranium. ORIGIN late 19th cent.: from urano- 2 + -ite 1 .
The Wordsmith Dictionary