a record consisting of pictorial symbols, as a prehistoric cave drawing or a graph or chart with symbolic figures representing a certain number of people, cars, factories, etc.
Origin: 1850–55; < L pict(us) painted (see picture) + -o- + -graph
pic·to·graph (pĭk'tə-grāf') n.
In all senses also called pictogram.
A picture representing a word or idea; a hieroglyph.
A record in hieroglyphic symbols.
A pictorial representation of numerical data or relationships, especially a graph, but having each value represented by a proportional number of pictures.
[Latin pictus, past participle of pingere, to paint; see peig- in Indo-European roots + -graph.] pic'to·graph'ic adj., pic'to·graph'i·cal·ly adv., pic·tog'ra·phy (pĭk-tŏg'rə-fē) n.