/i"tree euh/ , n. Chem.
a white, water-insoluble powder, Y 2 O 3 , used chiefly in incandescent gas and acetylene mantles. Also called yttrium oxide .
[ 1790-1800; Ytterby. See YTTERBIA ]
/i"tree euh/ , n. Chem.
a white, water-insoluble powder, Y 2 O 3 , used chiefly in incandescent gas and acetylene mantles. Also called yttrium oxide .
[ 1790-1800; Ytterby. See YTTERBIA ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012