Also called calcined baryta, barium oxide, barium monoxide, barium protoxide.a white or yellowish-white poisonous solid, BaO, highly reactive with water: used chiefly as a dehydrating agent and in the manufacture of glass.
Also called caustic baryta, barium hydroxide, barium hydrate.the hydroxide, hydrated form of this compound, Ba(OH) 2 ⋅8H 2 O, used chiefly in the industrial preparation of beet sugar and for refining animal and vegetable oils.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a gadget; dingus; thingumbob.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.