Tumor
//tuː.məɹ// noun
noun ·Common ·High school level
Definitions
Noun
- 1 An abnormal growth; differential diagnosis includes abscess, metaplasia, and neoplasia. US
"a benign tumor"
- 2 an abnormal new mass of tissue that serves no purpose wordnet
Example
More examples"I got a stomach tumor and had to have it operated on."
Etymology
From Middle English tumour, from Old French tumour, from Latin tumor (“swelling”), from tumeō (“bulge, swell”, verb), from Proto-Italic *tumēō, from Proto-Indo-European *tewh₂- (“to swell”). Related to English thumb.
Related phrases
More for "tumor"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.