Noun
Portable Network Graphics (uncountable)
a raster image file format, designed to succeed static GIF (GIF 87a).
Features gnuplot can produce output directly on screen, or in many formats of graphics files, including Portable Network Graphics (PNG), Encapsulated PostScript (EPS), Scalable Vector Graphics (SVG), JPEG and many others. Source: Internet
In 2008, certain Mozilla developers published the Animated Portable Network Graphics (APNG) format with similar goals. Source: Internet
The fonts displayed by Links are not derived from the system, but compiled into the binary as grayscale bitmaps in Portable Network Graphics (PNG) format. Source: Internet