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planiform

[ pley-nuh-fawrm, plan-uh- ]
/ ˈpleɪ nəˌfɔrm, ˈplæn ə- /
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adjective
having a flattened shape, as an anatomical joint.
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Origin of planiform

First recorded in 1820–30; plani- + -form
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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