Histogram is a fancy word for "bar graph." If you use the word histogram to describe a chart that uses bars or rectangles to display how often something happens, your math teacher will be impressed.

The benefit of a histogram is that instead of a list of numbers, you can see information graphed on a bar chart, which makes it much more easy to understand. The word comes from the Greek root histos which means both "the mast of a ship" and "anything set upright," like the bars on a histogram.

Definitions of histogram
  1. noun
    a bar chart representing a frequency distribution; heights of the bars represent observed frequencies
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    type of:
    bar chart, bar graph
    a chart with bars whose lengths are proportional to quantities
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