Autopolyploid
(of an organism) living or growing only in flowing freshwater streams.
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- Autoradiograph
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 […]
- Autoradiography
the technique or process of making autoradiographs.
- Autoregulation
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 […]
- Autorotation
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
- Autoroute
a princ-p-l highway, especially in france and french-speaking canada. noun a french motorway