PITCH n.
s, as in concerts, etc. -- Diametral pitch (Gearing), the distance which bears the same relation to the pitch proper, or circular pitch, that the diameter of a circle bears to its circumference; it is sometimes described by the number expressing the quotient obtained by dividing the number of teeth in a wheel by the d…
POLAR a.
of the heavens. -- Polar equation of a line or surface, an equation which expresses the relation between the polar coördinates of every point of the line or surface. -- Polar forces (Physics), forces that are developed and act in pairs, with opposite tendencies or properties in the two elements, as magnetism, electri…
POSITIVISM n.
t the natural phenomena or properties of knowable things, together with their invariable relations of coexistence and succession, as occurring in time and space. Such relations are denominated laws, which are to be discovered by observation, experiment, and comparison. This philosophy holds all inquiry into causes, bot…
PRIVILEGED a.
esses (Law) witnesses who are not obliged to testify as to certain things, as lawyers in relation to their dealings with their clients, and officers of state as to state secrets; also, by statute, clergymen and physicans are placed in the same category, so far as concerns information received by them professionally.…