Definition of "cell-free" []

• Lacking cells (adjective)

WordNet. Princeton University. 2010.

• "Some European hospitals already rely on the method, called cell-free fetal DNA, although it's not available from doctors in the U.S."
• "The technology works by detecting "cell-free fetal DNA," or DNA from the fetus, which floats freely in a pregnant woman's blood, says author Diana Bianchi of the Tufts University School of Medicine in Boston."
• "Buchner's work was important for several reasons: first, it discounted long held and popular vitalistic theories that considered cellular processes as fundamentally different from other principles of chemistry; second, it introduced a methodology that would allow scientists to break down biochemical processes into their individual steps; and, finally, the discovery of cell-free fermentation had opened the doors to one of the most important concepts in biochemistry"