noun

tumor

tumour

The doctor found a small tumor.

The doctor found a small tumour.

The tumor was benign, not cancerous.

The tumour was benign, not cancerous.

((a tumour)) a mass of abnormal cells The doctor found a small tumour.

Synonyms: growth, neoplasm, mass

From Latin 'tumor' meaning 'a swelling', from the verb 'tumere' meaning 'to swell'. Note the British English spelling is 'tumour'.

Think of 'tumor' and 'too more' - too much cell growth creating a mass.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.