Online used-car retailer Carvana expanding to Miami. Carvana.com offers consumers the ability to shop, finance, purchase and trade in a car using its online platform â without ever stepping into a dealership. Online auto retailer Carvana is expanding to Miami.
retraction. the act of drawing back, or condition of being drawn back. clot retraction the drawing away of a blood clot from the wall of a vessel, a stage of wound healing caused by contraction of platelets; it is a function of blood platelets that can be tested to assess platelet viability.
retractor. 1  a person or thing that retracts. 2  Anatomy. a muscle that retracts an organ or protruded part. 3  Surgery. an instrument or appliance for drawing back an impeding part, as the edge of an incision. 4  a mechanism, device, or the like that regulates retraction: to adjust the retractor on a seat belt.