transcription, транскрипция: [ sə-ˈmär-ˌskīt, ˈsa-mər- ]
noun
Etymology: German Samarskit, from V. E. Samarskiĭ -Bykhovets died 1870 Russian mining engineer
Date: 1849
: a black or brownish-black orthorhombic mineral that is a complex oxide of rare earths, uranium, iron, lead, thorium, niobium, tantalum, titanium, and tin