Word.ws English Dictionary

Plural of tumor

regular plural

The plural of tumor is tumors.

Forms of tumor

Singulartumor /tjuː.mə/
Pluraltumors /ˈtumɚz/
Countablecountable

Tumors in a sentence

  • It’s possible that some microbes don’t just take up residence in tumors but help them grow.2022 September 29, Carl Zimmer, “A New Approach to Spotting Tumors: Look for Their Microbes”, in The New York Times, archived from the...
  • Such tumors have an almondlike shape and hardness.From the entry almondlike
  • High-grade tumors often infiltrate surrounding structures.From the entry infiltrate
  • But some microbes manage to move to new organs to get inside tumors.2022 September 29, Carl Zimmer, “A New Approach to Spotting Tumors: Look for Their Microbes”, in The New York Times. From the entry chemistry
  • T3 is a tumor invading perivesical fat or abdominal wall muscle (in cases of extravesical urachal tumors).2015 June 4, Seung Ryeol Lee et al., “The Youngest Korean Case of Urachal Carcinoma”, in Case Reports in Urology, volume 2015, →DOI. From the entry extravesical

Meaning of tumor

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

Full definition of tumor

Questions about the plural of tumor

What is the plural of tumor?
The plural of tumor is tumors.
Is tumor countable?
Tumor is a countable noun.

Source and license

Adapted from Wiktionary: tumor (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

Last updated:

Cite this page: “Plural of tumor.” Word.ws, https://word.ws/plural/tumor. Based on Wiktionary, CC BY-SA 4.0.