tumour

Từ điển Oxford Advanced Learner 8th

tu·mour [tumour tumours] (especially US tu·mor)BrE [ˈtjuːmə(r)] NAmE [ˈtuːmər] noun
a mass of cells growing in or on a part of the body where they should not, usually causing medical problems
•a brain tumour
•a benign/malignant (= harmless/harmful) tumour

Word Origin:
late Middle English: from Latin tumor, from tumere ‘to swell’.

Example Bank:
•He developed a brain tumour.
•a malignant tumour on the eyelid
•a primary tumour in the breast
•He has a malignant brain tumour.
•They were relieved to hear that the tumour was benign.

• Từ đồng nghĩa / Synonyms:
  tumor, neoplasm