PRISM n.
sive powers, as two different kinds of glass, especially flint glass and crown glass, the difference of dispersive power being compensated by giving them different refracting angles, so that, when placed together so as to have opposite relative positions, a ray of light passed through them is refracted or bent into a n…
PROGRESSION n.
Arithmetical progression, a progression in which the terms increase or decrease by equal differences, as the numbers 2, 4, 6, 8, 1010, 8, 6, 4, 2 -- Geometrical progression, a progression in which the terms increase or decrease by equal ratios, as the numbers 2, 4, 8, 16, 32, 6464, 32, 16, 8, 4, 2 -- Harmonic progress…
PROVE v.
n, or verify, as the correctness of any operation or result; thus, in subtraction, if the difference between two numbers, added to the lesser number, makes a sum equal to the greater, the correctness of the subtraction is proved.
QUARREL n. 3 definitions
A breach of concord, amity, or obligation; a falling out; a difference; a disagreement; an antagonism in opinion, feeling, or conduct; esp., an angry dispute, contest, or strife; a brawl; an altercation; as, he had a quarrel with his father about expenses. I will bring a sword upon you that shall avenge the quarrel of…