The imide of phthalic acid; it's used in the manufacture of some plastics
An imido derivative of phthalic acid, gotten as a white crystalline substance, C6H4.(CO)2NH, that has itself (like succinimide) acid properties, and forms a series of salts. Cf. Imido acid, under imido.
A crystalline substance, C8H5NO2, made by the action of dry ammonia gas on heated phthalic anhydrid, and in other ways. It melts at 233.5° C., and acts as a monobasic acid toward alkalis.
A theory or system of social reform which contemplates a complete reconstruction of society with a more just and equitable distribution of property and labor In popular usage the term is often employed to indicate any lawless revolutionary social scheme See Communism Fourierism Saint Simonianism forms of socialism...