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isogram

noun

iso·​gram ˈī-sə-ˌgram How to pronounce isogram (audio)

Word History

First Known Use

1889, in the meaning defined above

Time Traveler
The first known use of isogram was in 1889

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Cite this Entry

“Isogram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isogram. Accessed 29 Nov. 2025.

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