ursilite
(mineralogy) An orthorhombic mineral containing calcium, hydrogen, magnesium, oxygen, silicon, and uranium.
US standard spelling of Brocken spectre.
(mineralogy) a very widely distributed crystalline form of calcium carbonate, CaCO₃, found as limestone, chalk and marble
(anatomy) Initialism of external auditory meatus.
野外調査中、鉱物学者は、よく発達した柱状結晶を持つ、カルシウム・水素・マグネシウム・酸素・ケイ素・ウランを含む直方晶系の稀少な標本を確認した。
Don't have an account? Sign up
Do you have an account? Login
DiQt
Free
★★★★★★★★★★