tumour

From Middle English tumour, from Old French tumour, from Latin tumor (“swelling”), from tumeō (“I bulge, swell”).

tumour (plural tumours)

1. (oncology, pathology) An abnormal growth; differential diagnosis includes abscess, metaplasia, and neoplasia.

Tumour is the favoured spelling throughout the English-speaking world with the exception of the United States, where tumor is standard.

• tumourigenesis

From Old French tumour, from Latin tumor.

• IPA^(key): /ˈtiu̯mur/, /tiu̯ˈmuːr/

tumour (plural tumours) (Late Middle English)

1. tumour (abnormal or morbid bodily growth)
2. The growth of tumours or boils.

• English: tumor, tumour

• “tumǒur (n.)” in MED Online, Ann Arbor, Mich.: University of Michigan, 2007, retrieved 2018-08-30.

• tumeur

Borrowed from Latin tumor.

tumour f (oblique plural tumours, nominative singular tumour, nominative plural tumours)

1. tumor (abnormal swelling of an animal's living tissue)
   • 1288, Somme Me Gautier

     Tumour ou enflour

• English: tumor, tumour (borrowed)
• French: tumeur