Is It Tumour or Tumor?

tumour, also spelled tumor, also called neoplasm, a mass of abnormal tissue that arises without obvious cause from preexisting body cells, has no purposeful function, and is characterized by a tendency to independent and unrestrained growth.

Can you spell Tumour?

An abnormal mass of tissue that forms when cells grow and divide more than they should or do not die when they should. Tumors may be benign (not cancer) or malignant (cancer). Benign tumors may grow large but do not spread into, or invade, nearby tissues or other parts of the body.

How do you spell tumor in Australia?

Using Hitwise data, we have found that Australians are more likely to use the term 'tumor' than they are to use the term 'tumour' in their search behaviour.