adenocarcinoma

noun

: a malignant tumor originating in glandular epithelium

Examples of adenocarcinoma in a Sentence

Recent Examples on the Web
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Sadruddin had survived mucinous colloid adenocarcinoma, an unusual form of breast cancer, and had become a devotee of Rau’s at the Paracelsus clinic. — D. T. Max, New Yorker, 26 Oct. 2026 Last week, Pope Leo had part of his right lung removed because of adenocarcinoma, the most common type of lung cancer. — Meeri Kim, Washington Post, 23 Oct. 2026 The pontiff was diagnosed with the common cancer of lung adenocarcinoma, and doctors removed the lower lobe of his right lung during a procedure that lasted about 90 minutes. — Alex Sundby, CBS News, 21 Oct. 2026 Pulmonary adenocarcinoma is the most common type of lung cancer, accounting for roughly 40% of all cases. — Max Saltman, CNN Money, 21 Oct. 2026 See All Example Sentences for adenocarcinoma

Word History

Etymology

borrowed from German Adenocarcinome, from adeno- adeno- + Carcinome carcinoma

First Known Use

1872, in the meaning defined above

Time Traveler
The first known use of adenocarcinoma was in 1872

Browse Nearby Words

Cite this Entry

“Adenocarcinoma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adenocarcinoma. Accessed 29 Oct. 2026.

Medical Definition

adenocarcinoma

noun
ad·​e·​no·​car·​ci·​no·​ma -ˌkärs-ᵊn-ˈō-mə How to pronounce adenocarcinoma (audio)
plural adenocarcinomas also adenocarcinomata -mət-ə How to pronounce adenocarcinoma (audio)
: a malignant tumor originating in glandular epithelium

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