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Tumor

UK //ˈtjuː.mər// US //ˈtuː.mər// Pronunciation

Definition

An abnormal growth of cells that can be benign or malignant.

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In simple words: A mass of abnormal cells in the body.

Examples

• The doctor explained that the tumor was not cancerous.
• He was diagnosed with a brain tumor last year.
• Early detection of a tumor can significantly improve treatment outcomes.
• She felt a lump and decided to get it checked for tumors.

Usage notes

Used in medical contexts. Avoid in casual conversations unless necessary. Can sound alarming; consider the audience.

Grammar pattern

standalone noun

Memory hint

Think of 'tomb'—a tumor is like a grave for unhealthy cells.

Collocations

• malignant tumor
• benign tumor
• brain tumor
• tumor removal

Synonyms

• neoplasm
• growth
• cancerous mass
• tumefaction

Antonyms

• none

Common mistakes

• Confused with 'tumour' (British English spelling).
• Incorrectly using 'tumor' to describe benign conditions.
• Mispronouncing as 'tu-mor' instead of 'too-mor'.