isogram
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English
[edit]Etymology
[edit]iso- + -gram. The "contour line" sense was proposed in 1889 by Francis Galton.[1]
Noun
[edit]isogram (plural isograms)
- A word or phrase in which each letter occurs the same number of times.
- A line on a map or chart, such as a contour line, joining points that have the same value for some quantity.