AMPLITUDE n.
The arc of the horizon between the true east or west point and the center of the sun, or a star, at its rising or setting. At the rising, the amplitude is eastern or ortive: at the setting, it is western, occiduous, or occasive. It is also northern or southern, when north or south of the equator.
ANGLE n.
wo rays of light, or two straight lines drawn from the extreme points of an object to the center of the eye. -- For Angles of commutation, draught, incidence, reflection, refraction, position, repose, fraction, see Commutation, Draught, Incidence, Reflection, Refraction, etc.
AUFKLARUNG n.
of Newton, and the epistemological theories of Locke, in the preceding century. Its chief center was in France, where it gave rise to the skepticism of Voltaire , the naturalism of Rousseau, the sensationalism of Condillac, and the publication of the "Encyclopedia" by D'Alembert and Diderot. In Germany, Lessing, Mendel…
BARBIZON SCHOOL; BARBISON SCHOOL n.
A French school of the middle of the 19th century centering in the village of Barbizon near the forest of Fontainebleau. Its members went straight to nature in disregard of academic tradition, treating their subjects faithfully and with poetic feeling for color, light, and atmosphere. It is exemplified, esp. in landsca…
BEAR v.
, to bring or plant guns so as to bear upon a fort or a ship; the artillery bore upon the center. -- To bear up to, to tend or move toward; as, to bear up to one another. -- To bear with, to endure; to be indulgent to; to forbear to resent, oppose, or punish.
BLUE a.
rcurial ointment. -- Blue Peter (British Marine), a blue flag with a white square in the center, used as a signal for sailing, to recall boats, etc. It is a corruption of blue repeater, one of the British signal flags. -- Blue pill. (Med.) (a) A pill of prepared mercury, used as an aperient, etc. (b) Blue mass. -- B…