Try Our Apps


Gobble up these 8 terms for eating

natural killer cell

noun, Immunology.
a small killer cell that destroys virus-infected cells or tumor cells without activation by an immune system cell or antibody.
Compare killer T cell. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
natural-killer-cell in Medicine

natural killer cell n.

Abbr. NK cell A killer cell that is activated by double-stranded RNA and fights off viral infections and tumors.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Word Value for natural

Scrabble Words With Friends