Definition of histograph in English:

histograph

noun

Statistics
  • Originally: a histogram. In later use also: a line chart representing the information displayed in a histogram, formed by joining the midpoint of the apex of each bar.

Origin

Early 20th century. From histo- + -graph.

Pronunciation

histograph

/ˈhɪstəɡraf//ˈhɪstəɡrɑːf/