pla·​na·​tion plā-ˈnā-shən How to pronounce planation (audio)
: the condition or process of becoming flattened

Word History

First Known Use

1877, in the meaning defined above

Time Traveler
The first known use of planation was in 1877

Dictionary Entries Near planation

Cite this Entry

“Planation.” Dictionary, Merriam-Webster, Accessed 16 Apr. 2024.

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