COPYING a.
From Copy, v. Copying ink. See under Ink. -- Copying paper, thin unsized paper used for taking copies of letters, etc., in a copying press. -- Copying press, a machine for taking by pressure, an exact copy of letters, etc., written in copying ink.
CUBE n.
The product obtained by taking a number or quantity three times as a factor; as, 4x4=16, and 16x4=64, the cube of 4. Cube ore (Min.), pharmacosiderite. It commonly crystallizes in cubes of a green color. -- Cube root. (Math.), the number or quantity which, multiplied into itself, and then into the product, produces th…