BIQUADRATIC a. 3 definitions
Of or pertaining to the biquadrate, or fourth power. Biquadratic equation (Alg.), an equation of the fourth degree, or an equation in some term of which the unknown quantity is raised to the fourth power. -- Biquadratic root of a number, the square root of the square root of that number. Thus the square root of 81 is…
CHINQUAPIN n.
chestnut. Also, its small, sweet, edible nat. [Written also chincapin and chinkapin.] Chinquapin oak, a small shrubby oak (Quercus prinoides) of the Atlantic States, with edible acorns. -- Western Chinquapin, an evergreen shrub or tree (Castanopes chrysophylla) of the Pacific coast. In California it is a shrub; in Ore…