neoformation

noun

neo·​for·​ma·​tion -fȯr-ˈmā-shən How to pronounce neoformation (audio)
: a new growth
specifically : tumor
neoformative
-ˈfȯr-mət-iv How to pronounce neoformation (audio)
adjective

Browse Nearby Words

neodymium
neoformation
neo-Freudian
See all Nearby Words

Cite this Entry

“Neoformation.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/neoformation. Accessed 7 Jul. 2026.

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