(neurology) Acting or occurring involuntarily, without conscious control. / (neuroanatomy, neurology) Pertaining to the autonomic nervous system.

(neuroanatomy) In humans and other vertebrates, the part of the nervous system that regulates the involuntary activity of the heart, intestines and glands. These activities include digestion, respiration, perspiration, metabolism, and the modulation of blood pressure.

Acting automatically or involuntarily. / The power of initiating vital processes from within the cell, organ, or organism, independent of external stimulus.

A strong, pressurized, heated vessel, as for laboratory experiments, sterilization, cooking or mineral processing.

(transitive) To sterilize laboratory equipment in an autoclave.

(cryptography) autokey

autocratic

Of or pertaining to autocracy or to an autocrat; absolute; holding independent and arbitrary powers of government. / (derogatory) Of or pertaining to the manner of an autocrat.

Of or relating to a person's life or an account of a person's life, as told by the subject.

(aviation, nautical) A mechanical, electrical, or hydraulic system used to guide a vehicle without assistance from a human being.