noun

tumour

tumor, growth, neoplasm

The doctor found a benign tumour.

The doctor found a benign tumor.

They are testing to see if the tumour is malignant.

They are testing to see if the tumor is malignant.

((a tumor)) a mass of diseased cells in a living body The doctor found a benign tumor.

Synonyms: growth, lump, neoplasm; Antonyms: (none)

From Latin 'tumor' meaning 'a swelling', from 'tumere' meaning 'to swell'.

The American spelling is 'tumor'. The British spelling 'tumour' is similar to other words like 'colour' and 'favour'.

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