[ his-tuh-gram ]
/ ˈhɪs təˌgræm /

noun Statistics.

a graph of a frequency distribution in which rectangles with bases on the horizontal axis are given widths equal to the class intervals and heights equal to the corresponding frequencies.

Origin of histogram

First recorded in 1890–95; histo- + -gram1
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British Dictionary definitions for histogram


/ (ˈhɪstəˌɡræm) /


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 questionSee also stem-and-leaf diagram

Word Origin for histogram

C20: perhaps from histo (ry) + -gram
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012