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Definitions

tumor

[too-mer, tyoo-] / ˈtu mər, ˈtyu- /
NOUN
abnormal growth in animate being
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

That means the treatment resulted in tumor size reduction or disease stabilization in nearly all studied patients.

From Barron's • Jun. 8, 2026

Plus, new research on anesthesia and a brain tumor radiation device.

From The Wall Street Journal • Jun. 5, 2026

Researchers found evidence that oleic acid may encourage tumor growth in pancreatic cancer, a result that surprised the team because of the fatty acid's long-standing reputation as a heart-healthy dietary fat.

From Science Daily • Jun. 2, 2026

The approach involves collecting a patient's own immune cells, genetically modifying them to recognize cancer, and then returning them to the body to seek out and destroy tumor cells.

From Science Daily • Jun. 2, 2026

Yet here she was, three months later, with a full-fledged tumor.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot




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