- any abnormal swelling
- a mass of tissue formed by a new growth of cells, normally independent of the surrounding structures
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Derived forms of tumourtumorous or tumoral, adjective
Word Origin for tumour
Words nearby tumour
Example sentences from the Web for tumour
In a further instance, a man had a tumour growing between his eyebrows, the itching of which was insupportable.A History of Chinese Literature|Herbert A. Giles
The short vowel is inevitable in 'horror' and 'pallor', the long in 'ardour', 'stupor', 'tumour'.Society for Pure English Tract 4|John Sargeaunt
It is comparatively uncommon for a tumour of the orbit to invade the globe directly.
A twig of Myrtle carried about the person is efficacious in cases of tumour in the groin.Plant Lore, Legends, and Lyrics|Richard Folkard
The relative degree of neuritis in the two eyes is a reliable guide to the side on which the tumour is situated (Horsley).