Acetone

(Chem.) A colorle volatile fluid, having the composition C2H2O, obtained by the distillation of the acetates of the alkaline earths. It has a peculiar odor, and is very inflammable. It is sometimes called pyro acetic spirit. As a remedy for asthma, it is occasionally used in medicine. Acetose', a. [Fr. aceteus.) Acetous; sour. Acetos'ity, n. Sourne ; tartne . Ace'to us, a . Something that produces acidity. Acetyle, n. (Chem.) An hypothetic radical of acetic compounds, composed of carbon and hydrogen. Ach, a town of Suabia, in the landgraviate of Nellenburg, on the river Ach, 14 miles N.E. of Schaffhausen. Achaby'tos, a lofty mountain in Rhodes, on the summit of which stood a temple to Jupiter. Achæ'a. ( Myth . ) A surname of Pallas, whose temple, in Daunia, was defended by dogs who fawned upon the Greeks, but fiercely attacked all other persons. A name applied to Ceres, and derived from achos , a word expres. sive of her grief for the lo of her daughter Proser pine. Achæ'a, a Greek province. (See ACHAIA.) Achæ'ans, a generic term employed by Homer to designate the whole Hellenic host before Troy, from their mythological ancestor Achæus, grandson of Helen. (See ACHAI.) Achæ'menes, the founder of the royal dynasty of Persia, the Achæmenides.