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. |
autumnal |
pertaining to or characteristic of autumn. [2 definitions] |
aux. |
abbreviation of "auxiliary," a person or thing that helps, assists, or supports, or a person or group that is subordinate or supplementary. |
auxiliary |
serving to help, assist, or support. [7 definitions] |
auxiliary verb |
a verb used in conjunction with a main verb in a clause that assists the main verb in reflecting aspects, voices, moods, and tenses. In the sentence "They have escaped," the main verb is "escaped," and the auxiliary verb is "have." |
auxin |
any of a group of organic compounds, often plant hormones, that affect plant growth. |
AV |
abbreviation of "audio-visual," having both sound and a picture, as does film. |
Av |
the eleventh month of the Jewish lunisolar calendar, occurring from late July through early August in the Gregorian calendar. |
avail |
to be useful or profitable to; be of value to. [3 definitions] |
availability |
the condition of being available. |