tumor
noun
a swollen part; swelling; protuberance.
tumors
-
pluralof tumor.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Together, the RAS mutations drive as much as a third of all human cancers, including most pancreatic tumors.
From The Wall Street Journal ● Aug. 26, 2026
The Food and Drug Administration’s approval of the drug from Revolution Medicines on Wednesday marks a milestone in treatment of one of the most intractable kinds of tumors.
From The Wall Street Journal ● Aug. 26, 2026
These included tumors derived from human melanoma and head and neck squamous cell carcinoma.
From Science Daily ● Aug. 25, 2026
The team tested the experimental therapy in mice and found that the modified natural killer cells slowed the growth of several kinds of solid tumors.
From Science Daily ● Aug. 25, 2026
Sheep kept near the smelters developed cancers of the nasal sinus; at their death arsenic was found in the brain, liver, and tumors.
From "Silent Spring" by Rachel Carson
