English Explanatory Dictionary

tumor

English dictionary entry

Meanings

noun
  1. An abnormal growth; differential diagnosis includes abscess, metaplasia, and neoplasia.

Pronunciation

/tjuː.mə/ /tuː.məɹ/ en-uk-tumor.ogg

Word forms

tumor tumors tumour

Etymology

From Middle English tumour, from Old French tumour, from Latin tumor (“swelling”), from tumeō (“bulge, swell”, verb), from Proto-Italic *tumēō, from Proto-Indo-European *tewh₂- (“to swell”). Related to English thumb.

Synonyms

neoplasm tumor mass growth

Related words

contumely tumescent tumid tumult :Category:Oncology -oma

Derived words

aniridia-Wilms' tumor syndrome antitumor devil facial tumor disease hypertumor intratumor microtumor neurotumor nontumor peritumor posttumor pretumor protumor pseudotumor tumorectomy tumored tumorgenic tumoricide tumorigenesis tumorigenic tumoristatic tumoritropic tumorless tumorlike tumor necrosis factor tumorogenesis tumorogenic tumoroid tumorolytic tumoromics tumorosphere tumorsphere Wilms' tumor xenotumor
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