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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

In real patients, drugs are delivered through the bloodstream, and tumor blood vessels are often disorganized, which may further contribute to uneven drug distribution.

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

Although scientists understand many of the mutations that lead to tumor formation, no single genetic change explains why some cells break away and migrate while others remain in place.

From Science Daily • Mar. 21, 2026

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

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