neo·​pla·​sia | \ ˌnē-ə-ˈplā-zh(ē-)ə How to pronounce neoplasia (audio) \

Definition of neoplasia

1 : the formation of tumors
2 : a tumorous condition

Examples of neoplasia in a Sentence

Recent Examples on the Web At most 2 percent or less were diagnosed with neoplasia, or tumors. National Geographic, "These Sick Animals Could Be Key to Understanding Cancer," 6 July 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'neoplasia.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of neoplasia

1871, in the meaning defined at sense 1

History and Etymology for neoplasia

probably borrowed from French néoplasie, from néo- neo- + -plasie -plasia

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Time Traveler for neoplasia

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The first known use of neoplasia was in 1871

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Cite this Entry

“Neoplasia.” Dictionary, Merriam-Webster, Accessed 22 Apr. 2021.

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neo·​pla·​sia | \ ˌnē-ə-ˈplā-zh(ē-)ə How to pronounce neoplasia (audio) \

Medical Definition of neoplasia

1 : the process of tumor formation
2 : a tumorous condition of the body

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