English dictionary, thesaurus, translations & etymology
FreeDict.com
noun

histogram

HIS-tuh-gram
Quiz me More like this

Histogram (noun) means a histogram is a chart that shows numerical data as a series of upright bars, where the size of each bar's area represents how often values in that range occur. Example: “The teacher drew a histogram to show how the class's test scores were spread out.”

noun
1
A histogram is a chart that shows numerical data as a series of upright bars, where the size of each bar's area represents how often values in that range occur.
"The teacher drew a histogram to show how the class's test scores were spread out."
"A histogram makes it easy to spot which age group appears most often in the survey."
"Unlike a bar chart, a histogram groups continuous data into ranges before plotting it."

How to use histogram

Learner’s notes

In plain EnglishA histogram is a bar chart that shows how data is spread across different ranges of values.

When to use it

Histogram is a standard term in statistics, maths and data analysis.

Memory tip

Picture the bars of a histogram as counting how many results fall into each range, not as separate labeled categories.

Trace the full origin ↓
Common pairings
draw a histogram plot a histogram histogram of the data frequency histogram
Vocabulary Flow
Build your vocabulary from words like histogram.
Vocabulary Flow serves the next word, and the next — meaning, pronunciation and an example each time. Practice at your level, or learn English in your own language.
Start vocabulary practice
Test yourself on “histogram” A quick quiz — meaning, synonyms & usage →

Fill the gap

Can you complete this real example?

The teacher drew a _____ to show how the class's test scores were spread out.

Etymology

The word likely combines an Ancient Greek term for a mast or upright post with another Greek element meaning something written or drawn, reflecting the upright bars of the chart. It was coined in 1891 by the English mathematician Karl Pearson.

Origin: Ancient Greek

Rhymes for histogram

See all rhymes for histogram →

Frequently asked questions

What is a histogram used for?
A histogram is used to show how numerical data is distributed by grouping values into ranges and drawing a bar for each range.
Who invented the histogram?
The term was coined in 1891 by the English mathematician Karl Pearson.
How is a histogram different from a bar chart?
A histogram groups continuous numerical data into ranges, while a standard bar chart usually compares separate categories.
What is the meaning of histogram?
"histogram" (noun) means a histogram is a chart that shows numerical data as a series of upright bars, where the size of each bar's area represents how often values in that range occur.