Part 64

||Aus"zug` (ous"tsk), n.; Ger. pl. -zÜge (-tsü`g). [G.] See Army organization, Switzerland.

Au"to- (?). An abbrev. of automobile, used as a prefix with the meaning of self-moving, self- propelling; as, an autocar, an autocarriage, an autotruck, etc., an automobile car, carriage, truck, etc.

Au`to*ca*tal"y*sis (?), n. [Auto- + catalysis.] (Chem.) Self-catalysis; catalysis of a substance by one of its own products, as of silver oxide by the silver formed by reduction of a small portion of it. -- Au`to*cat`a*lyt"ic (#), a.

Au`to*clas"tic (?), a. [See Auto- ; Clastic.] (Geol.) Broken in place; -- said of rocks having a broken or brecciated structure due to crushing, in contrast to those of brecciated materials brought from a distance.

Au`to*co*her"er (?), n. [Auto- + coherer.] (Wireless Teleg.) A self-restoring coherer, as a microphonic detector.

Au`to*dy*nam"ic (?), a. [Auto- + dynamic.] Supplying its own power, as a hydraulic ram.

Au*tœ"cious (?), a. [Auto- + Gr. &?; house.] (Biol.) Passing through all its stages on one host, as certain parasitic fungi; -- contrasted with heterœcious.

Au*tœ"cism (?), n. Quality of being autœcious.

Au`to*ge*net"ic, a. (Phys. Geog.) Pertaining to, controlled by, or designating, a system of self- determined drainage.

Autogenetic drainage. (Phys. Geog.) A system of natural drainage developed by the constituent streams through headwater erosion.

Autogenetic topography. (Phys. Geog.) A system of land forms produced by the free action of rain and streams on rocks of uniform texture.

Au*tog"e*nous (?), a. Autogenetic.

Au"to*harp (?), n. [Auto- + harp.] A zitherlike musical instrument, provided with dampers which, when depressed, deaden some strings, leaving free others that form a chord.

Au`to*hyp*not"ic (?), a. Pert. to autohypnotism; self-hypnotizing. -- n. An autohypnotic person.

Au`to*hyp"no*tism (?), n. [Auto- + hypnotism.] Hypnotism of one's self by concentration of the attention on some object or idea.

Au`to-in*fec"tion, n. [Auto- + infection.] (Med.) Poisoning caused by a virus that originates and develops in the organism itself.

Au`to-in*oc`u*la"tion, n. [Auto- + inoculation.] (Med.) Inoculation of a person with virus from his own body.

Au`to-in*tox`i*ca"tion, n. [Auto- + intoxication.] (Med.) Poisoning, or the state of being poisoned, from toxic substances produced within the body; autotoxæmia.

||Au`to*ki*ne"sis (?), n. [NL.; auto- + Gr. &?; motion.] (Physiol.) Spontaneous or voluntary movement; movement due to an internal cause.

Au`to*ki*net"ic (?), a. [Auto- + kinetic.] Self-moving; moving automatically.

Autokinetic system. In fire-alarm telegraphy, a system so arranged that when one alarm is being transmitted, no other alarm, sent in from another point, will be transmitted until after the first alarm has been disposed of.

Au`to*mixte" system (?). (Mach.) A system (devised by Henri Pieper, a Belgian) of driving automobiles employing a gasoline engine and an auxiliary reversible dynamo. When there is an excess of power the dynamo is driven by the engine so as to charge a small storage battery; when there is a deficiency of power the dynamo reverses and acts as an auxiliary motor. Sometimes called Pieper system. -- Automixte car, etc.

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Au`to*mo"bile (?), n. [F.] An automobile vehicle or mechanism; esp., a self-propelled vehicle suitable for use on a street or roadway. Automobiles are usually propelled by internal combustion engines (using volatile inflammable liquids, as gasoline or petrol, alcohol, naphtha, etc.), steam engines, or electric motors. The power of the driving motor varies from about 4 to 50 H. P. for ordinary vehicles, ranging from the run- about to the touring car, up to as high as 200 H. P. for specially built racing cars. Automobiles are also commonly, and generally in British usage, called motor cars.

Au`to*mo"bil*ism (?), n. The use of automobiles, or the practices, methods, or the like, of those who use them. -- Au`to*mo"bil*ist, n.

Au`to*path"ic (?), a. [See Auto-, and Pathic, a.] (Med.) Dependent upon, or due or relating to, the structure and characteristics of the diseased organism; endopathic; as, an autopathic disease; an autopathic theory of diseases.

Au*toph"a*gy (?), n. [Gr. &?; self + &?; to eat.] (Med.) The feeding of the body upon itself, as in fasting; nutrition by consumption of one's own tissues.

Au`to*pneu*mat"ic (?), a. [Auto- + pneumatic.] Acting or moving automatically by means of compressed air.