Vocabulary : Thoria to Thorn-headed
Thoria : A rare white earthy substance, consisting of the oxide of thorium; -- formerly called also thorina.Thoric : Of or pertaining to thorium; designating the compounds of thorium.
Thorite : A mineral of a brown to black color, or, as in the variety orangite, orange-yellow. It is essentially a silicate of thorium.
Thorium : A metallic element found in certain rare minerals, as thorite, pyrochlore, monazite, etc., and isolated as an infusible gray metallic powder which burns in the air and forms thoria; -- formerly called also thorinum. Symbol Th. Atomic weight 232.0.
Thorn : A hard and sharp-pointed projection from a woody stem; usually, a branch so transformed; a spine. ;; Any shrub or small tree which bears thorns; especially, any species of the genus Crataegus, as the hawthorn, whitethorn, cockspur thorn. ;; Fig.: That which pricks or annoys as a thorn; anything troublesome; trouble; care. ;; The name of the Anglo-Saxon letter /, capital form /. It was used to represent both of the sounds of English th, as in thin, then. So called because it was the initial letter of thorn, a spine. ;; To prick, as with a thorn.