any of various four-chambered devices, modeled on the human heart, that pump blood by attachment to a power source and that are constructed for temporary external use or for implantation as a temporary or permanent heart replacement.
artificial heart n.
A mechanical pump used to replace the function of a damaged heart, either temporarily or as a permanent internal prosthesis.
- Artificial horizon
a level, as a surface of mercury, used in determining the altitudes of stars. Compare (def 35). the bubble in a sextant or octant for aerial use. Also called flight indicator, gyro horizon. Aeronautics. an instrument that indicates the banking and pitch of an aircraft with respect to the horizon. Historical Examples It may be […]
- Artificial insemination
the injection of semen into the vagina or uterus by means of a syringe or the like rather than by coitus. Abbreviation: AI. Contemporary Examples Lo and behold, Jane Muslim runs to her imam for a faith check on whether she can do artificial insemination or not. All-American Muslim: Why Advertisers Are Right to Boycott […]
- Artificial intelligence
the capacity of a computer to perform operations analogous to learning and decision making in humans, as by an expert system, a program for CAD or CAM, or a program for the perception and recognition of shapes in computer vision systems. Abbreviation: AI, A.I. Contemporary Examples Explore the futuristic world of artificial intelligence with the […]
- Artificial intelligence lab
artificial intelligence lab MIT AI Lab
- Artificial kidney
a mechanical device that operates outside the body and substitutes for the kidney by removing waste products from the blood. Also called hemodialyzer. Compare (def 3). noun (med) a mechanical apparatus for performing haemodialysis artificial kidney n. See hemodialyzer.