thorium.
(Of Tor, God of Norse mythology).
1. m. radioactive chemical element of no. atóm. 90. Metal of the Group of the actinides in the Earth's crust, is found in rare-earth minerals. Color lead-, ductile and malleable, it burns easily in air. It is used in the nuclear and alloyed, industry to provide hardness to certain metals. (Símb.) (Th, of scientific Latin thorium).
-thorium, ria.
1. suf. Form verbal nouns and adjectives. Takes the form -atorio if the verb base is the first conjugation; -itorio, if it is in the third. Adjectives denote relation to the action of the verb base. Dedicatorio, Definitory.
