a statistical graph that represents the frequency of values of a quantity by vertical rectangles of varying heights and widths. The width of the rectangles is in proportion to the class interval under consideration, and their areas represent the relative frequency of the phenomenon in question
See also stem-and-leaf diagram
Word origin
C20: perhaps from histo(ry) + -gram
histogram in American English
(ˈhɪstəˌgræm)
noun
Statistics
a bar graph in which the area of each bar is proportional to the frequency or relative frequency represented