isogram

English

Etymology

iso- +‎ -gram. The "contour line" sense was proposed in 1889 by Francis Galton.[1]

Noun

isogram (plural isograms)

  1. A word or phrase in which each letter occurs the same number of times.
  2. A line on a map or chart, such as a contour line, joining points that have the same value for some quantity.
    Synonyms: isoline, isopleth, isarithm

References
  1. Norman Joseph William Thrower (1972) Maps and Man‎, page 164

Anagrams
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