[ thoo-lee-uh ]
/ ˈθu li ə /
a dense, greenish-white powder, TmO3, that on gentle heating exhibits a reddish incandescence: used in the manufacture of thulium metal.
Origin of thulia
Also called thulium oxide.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019