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Definition 2024

tumour

tumour

English

Noun

tumour ‎(plural tumours)

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

Usage notes

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

Derived terms

Translations

Old French

Alternative forms

Etymology

Borrowing from Latin tumor.

Noun

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

Descendants

Etymology

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

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