car·ci·no·ma | \ˌkär-sə-ˈnō-mə \
plural carcinomas also carcinomata\ˌkär-sə-ˈnō-mə-tə \

Definition of carcinoma 

: a malignant tumor of epithelial origin

Keep scrolling for more

Other Words from carcinoma

carcinomatous \ˌkär-sə-ˈnō-mə-təs \ adjective

Examples of carcinoma in a Sentence

four deaths attributable to carcinoma

Recent Examples on the Web

Having a basal cell carcinoma may not seem all that scary. Macaela Mackenzie, Allure, "Skin Cancer: A Visual Guide to Identifying Warning Signs on Your Body," 2 July 2018 As far as cancer treatments go, treating a basal cell carcinoma is a cinch. Macaela Mackenzie, Allure, "Skin Cancer: A Visual Guide to Identifying Warning Signs on Your Body," 2 July 2018 Some people are at higher risk than others for developing Merkel cell carcinoma. Macaela Mackenzie, Allure, "What to Know About Merkel Cell Carcinoma, a Rare Form of Skin Cancer That's on the Rise," 23 Feb. 2018 The ban, signed into law Tuesday, appears problematic for pale-skinned, sun-worshiping environmentalists who love to snorkel and have an aversion to carcinoma. Peter Fimrite,, "Hawaii to ban sunscreen that damages coral," 7 July 2018 Basal Cell Carcinoma Basal cell carcinoma is the most common form of skin cancer, according to the Skin Cancer Foundation. Macaela Mackenzie, Allure, "Skin Cancer: A Visual Guide to Identifying Warning Signs on Your Body," 2 July 2018 However, only about 50 percent of mammary tumors are cancerous, with a majority of these cases being carcinoma (arising from the lining of the ducts in the mammary gland), Wustefeld-Janssens said. Texas A&m University, Houston Chronicle, "Pet Talk: Mammary tumors in dogs," 20 June 2018 Doctors found a 2-centimeter tumor in her left breast and diagnosed her with invasive ductal carcinoma, the most common type of breast cancer. Marilynn Marchione, Houston Chronicle, "Many breast cancer patients can skip chemo, big study finds," 3 June 2018 As Allure previously reported, basal cell carcinoma is one of the top two most common types of skin cancer, the other one being squamous cell carcinoma. Emily Wang, Allure, "Caitlyn Jenner Just Revealed That She Had Skin Cancer Removed From Her Nose," 20 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'carcinoma.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of carcinoma

1601, in the meaning defined above

History and Etymology for carcinoma

Latin, from Greek karkinōma cancer, from karkinos

Keep scrolling for more

Learn More about carcinoma

Statistics for carcinoma

Last Updated

21 Oct 2018

Look-up Popularity

Time Traveler for carcinoma

The first known use of carcinoma was in 1601

See more words from the same year

Keep scrolling for more

More Definitions for carcinoma



English Language Learners Definition of carcinoma

medical : a type of cancer


car·ci·no·ma | \ˌkärs-ᵊn-ˈō-mə \
plural carcinomas also carcinomata\-mət-ə \

Medical Definition of carcinoma 

: a malignant tumor of epithelial origin — compare sarcoma

Other Words from carcinoma

carcinomatous \-ˈō-mət-əs \ adjective

Keep scrolling for more

Comments on carcinoma

What made you want to look up carcinoma? Please tell us where you read or heard it (including the quote, if possible).


to teach someone the beliefs of a group

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Syn City

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!