BIQUADRATIC a.
g.), 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 9, and the square root of 9 is 3, which is the biquadratic root of 81. Hutton…
BLUE a. 2 definitions
lue cod (Zoöl.), the buffalo cod. -- Blue crab (Zoöl.), the common edible crab of the Atlantic coast of the United States (Callinectes hastatus). -- Blue curls (Bot.), a common plant (Trichostema dichotomum), resembling pennyroyal, and hence called also bastard pennyroyal. -- Blue devils, apparitions supposed to be…