/ferr"geuh seuh nuyt'/ , n.
a rare-earth mineral, yttrium columbate and tantalate, found in pegmatites.
[ 1820-30; named after R. Ferguson, 19th-century Scottish physician; see -ITE 1 ]
/ferr"geuh seuh nuyt'/ , n.
a rare-earth mineral, yttrium columbate and tantalate, found in pegmatites.
[ 1820-30; named after R. Ferguson, 19th-century Scottish physician; see -ITE 1 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012