carcinogen
Carcinogen (noun) means a substance or agent that can cause cancer. Example: “Tobacco smoke contains several well-known carcinogens.”
How to use carcinogen
Learner’s notesIn plain EnglishA carcinogen is something that can cause cancer.
The word is used in everyday health reporting as well as in scientific and medical writing.
Notice the stress falls on the second syllable, sin, not on carc-.
Trace the full origin ↓Fill the gap
Can you complete this real example?
Tobacco smoke contains several well-known _____.
Etymology
Carcinogen is built from two combining forms joined together: carcino-, which relates to cancer, and -gen, which means something that produces or brings about. Joined together, the word describes something that generates cancer.