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, n 1. a drawing or shrinking back; the laying back of tissues to expose a given part. n 2. distal movement of teeth; a distal or retrusive position of the teeth, dental arch, or jaw. retraction, gingival, n laying back of the free gingival tissue to expose the gingival margin area of a preparation by mechanical, chemical, or electrical means.
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.