BIPONT EDITIONS

bipont editions, the name of a famous series of editions, in 50 volumes, of greek and latin classical authors, so called from bipontium, the modern latin name of zweibruecken or deux-ponts in bavaria, where they were first issued in 1779. their place of publication was afterwards transferred to strassburg. see butters, _uber die editiones bipontinae_ (1877). biquadratic (from the lat. _bi-, bis_, twice, and _quadratus_, squared). in mathematics, the biquadratic power or root of a quantity is its fourth power or root (see algebra); a biquadratic equation is an equation in which the highest power of the unknown is the fourth (see equation: _biquadratic_). biquintile (from lat. prefix _bi-_, twice, _quintilis_, fifth), the aspect of two planets which are distant from each other twice the fifth part of a great circle, i.e. 144 deg.. it was one of the new aspects introduced by kepler.