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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.

The treatment approach also significantly slowed tumor growth in animal models.

From Science Daily • May 25, 2026

Researchers analyzed tumor samples from nearly 500 domestic cats collected across five countries.

From Science Daily • May 24, 2026

The other is more direct: receptors for GLP-1, the hormone these drugs mimic, appear on the surface of some tumor cells, raising the possibility that the drugs are acting on cancer biology itself.

From The Wall Street Journal • May 21, 2026

MYC-driven cancers appear able to rapidly repair the DNA damage caused by treatment, allowing them to endure therapies that would normally destroy tumor cells.

From Science Daily • May 17, 2026

But I’d had a total body PET scan on the first night in the hospital, they told me, and the news was good: no tumor growth.

From "The Fault in Our Stars" by John Green




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