ABSTRACT a.
abstract terms are the names of orders, genera or species of things, in which there is a combination of similar qualities. -- Abstract numbers (Math.), numbers used without application to things, as 6, 8, 10; but when applied to any thing, as 6 feet, 10 men, they become concrete. -- Abstract or Pure mathematics. See…
ACID n.
characterized by the power of destroying the distinctive properties of alkalies or bases, combining with them to form salts, at the same time losing their own peculiar properties. They all contain hydrogen, united with a more negative element or radical, either alone, or more generally with oxygen, and take their names…