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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.

Medical procedures, including a left-leg amputation and tumor removal from his skull, have cost him hundreds of thousands of dollars—a sum surpassing what the potential settlement might yield.

From The Wall Street Journal • Apr. 20, 2026

The findings showed that these additions made the cells "ready to attack," significantly improving their ability to destroy tumor cells.

From Science Daily • Apr. 16, 2026

Next, the FDA quibbles that patients who had every tumor injected had higher remission rates than those who had only some.

From The Wall Street Journal • Apr. 14, 2026

In this case, the virus has been modified to replicate only inside tumor cells, causing them to burst, while simultaneously triggering a more aggressive immune response from the body’s own white blood cells.

From Barron's • Apr. 10, 2026

It was certainly possible that Mrs. Tickham had a brain tumor.

From "Flora & Ulysses: The Illuminated Adventures" by Kate DiCamillo




Vocabulary lists containing tumor