Biology. fluorescence-activated cell sorter: a machine that sorts cells according to whether or not they have been tagged with antibodies carrying a fluorescent dye, separating the cells mechanically in a vibrating nozzle, imparting a positive or negative charge to cells that fluoresce, and then passing the cells through an electric field to deflect them into appropriate containers.
Also F.A.C.S. Fellow of the American College of Surgeons.
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Examples from the Web for facs
This is ‘a fac,’ as Artemus Ward would say, and ‘facs’ are stubborn things.East Anglia|J. Ewing Ritchie
Aint no use for to try an fool the facs, honeynot one bit of use!
Face the facs, Martha, face the facs, I tell myselfan I done it.
Medical definitions for facs
Fellow of the American College of Surgeons
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.