1 : the act of conducting or conveying. 2a : transmission through or by means of a conductor; also : the transfer of heat through matter by communication of kinetic energy from particle to particle with no net displacement of the particles â compare convection, radiationb : conductivity.
The name ping-pong was in wide use before English manufacturer J. Jaques & Son Ltd trademarked it in 1901. The name Ping-Pong then came to be used for the game played by the rather expensive Jaques equipment, with other manufacturers calling theirs table tennis.
PNG. PNG, which can be pronounced ping or P-N-G, is a compressed raster graphic format. It is commonly used on the Web and is also a popular choice for application graphics. The PNG format was introduced in 1994, after the GIF and JPEG formats had already been around for several years.