“natural killer”

We have one entry that includes the term natural killer.

natural killer cell

noun

: a large granular lymphocyte capable especially of destroying tumor cells or virally-infected cells without prior exposure to the target cell and without having it presented with or marked by a histocompatibility antigen

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  • any of a genus helianthus especially h annuus of new world composite plants with large yellow rayed flower heads bearing edible seeds that yield an edible oil
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