isogram.
A word in which no letter of the alphabet occurs more than once.
Meaning & usage
A word in which no letter of the alphabet occurs more than once.
A line on a map or chart, such as a contour line, joining points that have the same value for some quantity.
Where this word comes from
From iso- + -gram. The "contour line" sense was proposed in 1889 by Francis Galton.
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isogram has 7 characters. Say it out loud, try it alongside a description of your project, and see whether its meaning fits what you want to create.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.