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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.

Removal of the tumor was scheduled for two months later, so Duong went home to his family for the weekend.

From Los Angeles Times • Mar. 30, 2026

This study was conducted using tumor tissue maintained outside the body.

From Science Daily • Mar. 27, 2026

This research shows that effectiveness depends not only on whether a drug reaches a tumor, but also on how it spreads within it and inside individual cells.

From Science Daily • Mar. 27, 2026

As a result, the conditions become more favorable for tumor growth and tumour metastasis.

From Science Daily • Mar. 25, 2026

When he was two years old he’d developed a rare form of cancer, and the operation to remove the tumor had cost him his left eye.

From "The Big Short" by Michael Lewis