noun
livin
noun
1
A protein in the body that blocks cells from undergoing programmed cell death (apoptosis), and which is often found at abnormally high levels in tumours.
"Researchers found that blocking livin made cancer cells far more sensitive to chemotherapy."
How to Use Livin
Learner’s notesIn plain EnglishA specialist biology and medical term for a cell-survival protein studied mainly in cancer research.
When to use it
Technical/scientific term — you won't encounter it outside biology, medicine, or biochemistry contexts.
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Researchers found that blocking _____ made cancer cells far more sensitive to chemotherapy.
Etymology
Formed from "live" plus the biochemical suffix "-in" (used for naming proteins), reflecting its role in keeping cells alive.