| automatic |
acting by itself without outside power or influence. [4 definitions] |
| automatic pilot |
an instrument that automatically keeps an aircraft, missile, or the like on a predetermined course at a specific altitude. [2 definitions] |
| automation |
operation by machinery rather than by people. |
| automatism |
the condition or quality of being automatic. [2 definitions] |
| automatize |
to cause to be done automatically. |
| automaton |
a piece of machinery that resembles a human in some or all functions; robot. [2 definitions] |
| automobile |
a four-wheeled vehicle with a built-in, self-propelled motor requiring a driver and used on roads to carry people; passenger car. |
| automotive |
of or pertaining to automobiles. [2 definitions] |
| autonetics |
(used with a sing. verb) the science of the use and development of automated devices used for control and guidance. |
| autonomic |
occurring or acting involuntarily or independently; automatic. [3 definitions] |
| autonomic nervous system |
the part of the nervous system in vertebrates that controls involuntary bodily processes, such as the operation of the heart, stomach, and glands; sympathetic and parasympathetic nervous systems together. |
| autonomous |
free and independent, as a state or an organism; self-governing. |
| autonomy |
freedom and independence; self-governance. [2 definitions] |
| autopilot |
shortened form of "automatic pilot." |
| autopsy |
a superficial and surgical examination of a corpse, usu. to find the cause of death. [2 definitions] |
| autoradiograph |
a picture produced on a film by placing it in contact with a radioactive substance. |
| auto-rickshaw |
a small, three-wheeled, motorized vehicle used as a taxi. |
| autosome |
any of an organism's chromosomes except the two involved in sex determination. |
| autosuggestion |
in psychology, a technique of changing one's own behavior or beliefs by repeating certain phrases or ideas to oneself. |
| autotoxemia |
see "autointoxication." |
| autumn |
the season of the year between summer and winter, in the northern hemisphere continuing from the September equinox to the December solstice; fall. |