The expression (ab) 4 properly appertains to a quartic; for a quadratic it may also be written (ab) 2 (cd) 2, and would denote the square of the discriminant to a factor pres.
Various artifices are employed to denote the end of the reaction.
Those words only denote a certain stage of understanding of phenomena.
Later, they were used to denote the attendants on certain priests and priestesses, especially the flamen dialis and flaminica and the curiones.
"hard" or "rugged," a name sometimes used, both in earlier and in later writers, to denote the whole of the territory occupied by the Israelites eastward of Jordan, extending from the Arnon to the southern base of Hermon (Deut.