the sport of racing automobiles in which drivers compete against each other on a course designed for racing or on closed public roads.
“auto racing is really unique in the sports world in terms of the danger,” says Levinson.
IndyCar Driver’s Final Moments Allen St. John October 17, 2011
There were to be contests in cavalry riding, in fencing, in auto racing, and the pick of the world were expected to compete.
Bert Wilson’s Twin Cylinder Racer J. W. Duffield
a picture revealing the presence of radioactive material, the film being laid directly on the object to be tested. noun a photograph showing the distribution of a radioactive substance in a specimen. The photographic plate is exposed by radiation from the specimen Also called radioautograph autoradiograph au·to·ra·di·o·graph (ô’tō-rā’dē-ō-grāf’) n. An image recorded on a photographic […]
the technique or process of making autoradiographs.
the continual automatic adjustment or self-regulation of a biochemical, physiological, or ecological system to maintain a stable state. autoregulation au·to·reg·u·la·tion (ô’tō-rěg’yə-lā’shən) n. The tendency of the blood flow toward an organ or part to remain at or return to the same level despite changes in arterial pressure. A biological system equipped with inhibitory feedback systems […]
the condition of flight occurring when lift is derived solely from the action of air upon the unpowered rotor of a moving helicopter or autogiro. noun the continuous rotation of a body in an airflow, such as that of the rotor blades of a helicopter in an unpowered descent