samarskite
(noun) a complex black mineral occurring in pegmatites
Source: WordNet® 3.1
After Vasilii Evgrafovich Samarsky-Bykhovets in 1847.
samarskite (plural samarskites)
(mineral) A shiny black radioactive mineral that contains a complex mixture of rare earth oxides
Source: Wiktionary
Sa*mar"skite, a. Etym: [After Samarski, a Russian.] (Min.)
Definition: A rare mineral having a velvet-black color and submetallic luster. It is a niobate of uranium, iron, and the yttrium and cerium metals.
Source: Webster’s Unabridged Dictionary 1913 Edition
9 June 2025
(noun) one having both male and female sexual characteristics and organs; at birth an unambiguous assignment of male or female cannot be made
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
