GRAPH
—none. Diagram showing the relation between variable quantities, usu of two variables, each measured along one of a pair of axes. —verb. Plot or trace on a graph. [abbreviation of graphic formula] -graph combination. Form forming nouns and verbs meaning: 1 thing written or drawn etc. In a specified way (photograph). 2 instrument that records (seismograph). -grapher combination. Form forming nouns denoting a person concerned with a subject (geographer; radiographer). [greek -grapho write]