Webster's Dictionary, 1913

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Autonomist noun [ Confer French automiste . See Autonomy .] One who advocates autonomy.

Autonomous adjective [ Greek ...; ... self + ... to assign, hold, sway.]
1. Independent in government; having the right or power of self-government.

2. (Biol.) Having independent existence or laws.

Autonomy noun [ Greek ...: confer French autonomie . See Autonomous .]
1. The power or right of self-government; self-government, or political independence, of a city or a state.

2. (Metaph.) The sovereignty of reason in the sphere of morals; or man's power, as possessed of reason, to give law to himself. In this, according to Kant, consist the true nature and only possible proof of liberty. Fleming.

Autopathic adjective [ See Auto- , and Pathic , adjective ] (Medicine) 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.

Autophagi noun plural [ New Latin , from Greek ... self + ... to eat.] (Zoology) Birds which are able to run about and obtain their own food as soon as hatched.

Autophagy noun [ Greek ... self + ... to eat.] (Medicine) The feeding of the body upon itself, as in fasting; nutrition by consumption of one's own tissues.

Autophoby noun [ Auto- + Greek ... fear.] Fear of one's self; fear of being egotistical. [ R.] Hare.

Autophony noun [ Auto- + Greek ... a sound.] (Medicine) An auscultatory process, which consists in noting the tone of the observer's own voice, while he speaks, holding his head close to the patient's chest. Dunglison.

Autoplastic adjective Of or pertaining to autoplasty.

Autoplasty noun [ Auto- + - plasty .] (Surg.) The process of artificially repairing lesions by taking a piece of healthy tissue, as from a neighboring part, to supply the deficiency caused by disease or wounds.

Autopneumatic adjective [ Auto- + pneumatic .] Acting or moving automatically by means of compressed air.

Autopsic, Autopsical adjective Pertaining to autopsy; autoptical. [ Obsolete]

Autopsorin noun [ Auto- + Greek ... the itch.] (Medicine) That which is given under the doctrine of administering a patient's own virus.

Autopsy noun [ Greek ..., from ... seen by one's self; ... self + ... seen: confer French autopsie . See Optic , adjective ]
1. Personal observation or examination; seeing with one's own eyes; ocular view.

By autopsy and experiment.
Cudworth.

2. (Medicine) Dissection of a dead body, for the purpose of ascertaining the cause, seat, or nature of a disease; a post- mortem examination.

Autoptic (a*tŏp"tĭk), Au*top"tic*al (-tĭk* a l) adjective [ Greek a'ytoptiko`s : confer French autoptique .] Seen with one's own eyes; belonging to, or connected with, personal observation; as, autoptic testimony or experience.

Autoptically (a*tŏp"tĭ*k a l*lȳ) adverb By means of ocular view, or one's own observation. Sir T. Browne.

Autoschediastic (a`to*skē`dĭ*ăs"tĭk), Au`to*sche`di*as"tic*al (-ăs"tĭ*k a l) adjective [ Auto- + Greek schedia`zein to do hastily. See Schediasm .] Extemporary; offhand. [ R.] Dean Martin.

Autostability noun [ Auto- + stability .] (Mechanics) Automatic stability; also, inherent stability. An aëroplane is inherently stable if it keeps in steady poise by virtue of its shape and proportions alone; it is automatically stable if it keeps in steady poise by means of self- operative mechanism.

Autostylic adjective [ Auto- + Greek sty^los pillar.] (Anat.) Having the mandibular arch articulated directly to the cranium, as in the skulls of the Amphibia.

Autosuggestion noun [ Auto- + suggestion .] (Medicine) Self-suggestion as distinguished from suggestion coming from another, esp. in hypnotism. Autosuggestion is characteristic of certain mental conditions in which expectant belief tends to produce disturbance of function of one or more organs.

Autotheism noun [ Auto- + theism.]
1. The doctrine of God's self- existence. [ R.]

2. Deification of one's self; self-worship. [ R.]

Autotheist noun One given to self- worship. [ R.]

Autotoxic adjective [ Auto- + toxic .] (Medicine) Pertaining to, or causing, autotoxæmia.

Autotoxication noun [ Auto- + toxication .] (Physiol.) Same as Auto- intoxication .

Autotoxæmia, -toxemia noun [ New Latin See Auto- , and Toxæmia .] (Physiol.) Self-intoxication. See Auto- intoxication .

Autotransformer noun [ Auto- + transformer .] (Electricity) A transformer in which part of the primary winding is used as a secondary winding, or vice versa; -- called also a compensator or balancing coil .

Autotrophic adjective [ Auto- + trophic .] (Plant Physiol.) Capable of self- nourishment; -- said of all plants in which photosynthetic activity takes place, as opposed to parasitism or saprophytism.

Autotropism noun [ Auto- + Greek ... to turn.] (Plant Physiol.) The tendency of plant organs to grow in a straight line when uninfluenced by external stimuli.

Autotype noun [ Auto- + - type : confer French autotype .]
1. A facsimile.

2. A photographic picture produced in sensitized pigmented gelatin by exposure to light under a negative; and subsequent washing out of the soluble parts; a kind of picture in ink from a gelatin plate.

Autotypography noun [ Auto- + typography .] A process resembling "nature printing," by which drawings executed on gelatin are impressed into a soft metal plate, from which the printing is done as from copperplate.

Autotypy noun The art or process of making autotypes.

Autumn noun [ Latin auctumnus , autumnus , perhaps from a root av to satisfy one's self: confer French automne . See Avarice .]
1. The third season of the year, or the season between summer and winter, often called "the fall." Astronomically, it begins in the northern temperate zone at the autumnal equinox, about September 23, and ends at the winter solstice, about December 23; but in popular language, autumn, in America, comprises September, October, and November.

» In England, according to Johnson, autumn popularly comprises August, September, and October. In the southern hemisphere, the autumn corresponds to our spring.

2. The harvest or fruits of autumn. Milton.

3. The time of maturity or decline; latter portion; third stage.

Dr. Preston was now entering into the autumn of the duke's favor.
Fuller.

Life's autumn past, I stand on winter's verge.
Wordsworth.

Autumnal adjective [ Latin auctumnalis , autumnalis : confer French automnal .]
1. Of, belonging to, or peculiar to, autumn; as, an autumnal tint; produced or gathered in autumn; as, autumnal fruits; flowering in autumn; as, an autumnal plant.

Thick as autumnal leaves that strow the brooks
In Vallombrosa.
Milton.

2. Past the middle of life; in the third stage.

An autumnal matron.
Hawthorne.

Autumnal equinox , the time when the sun crosses the equator, as it proceeds southward, or when it passes the autumnal point. -- Autumnal point , the point of the equator intersected by the ecliptic, as the sun proceeds southward; the first point of Libra. -- Autumnal signs , the signs Libra, Scorpio, and Sagittarius, through which the sun passes between the autumnal equinox and winter solstice.

Autunite noun [ From Autun , France, its locality.] (Min.) A lemon-yellow phosphate of uranium and calcium occurring in tabular crystals with basal cleavage, and in micalike scales. H., 2-2.5. Spanish gr., 3.05-3.19.

Auxanometer noun [ Greek ... to cause to increase + -meter .] An instrument to measure the growth of plants. Goodale.

Auxesis noun [ New Latin , Greek ... increase, from ..., ..., to increase.] (Rhet.) A figure by which a grave and magnificent word is put for the proper word; amplification; hyperbole.

Auxetic adjective [ Greek ....] Pertaining to, or containing, auxesis; amplifying.

Auxetophone noun [ Greek ... that may be increased + ... sound, voice.] A pneumatic reproducer for a phonograph, controlled by the recording stylus on the principle of the relay. It produces much clearer and louder tones than does the ordinary vibrating disk reproducer.

Auxiliar adjective [ Latin auxiliaris : confer French auxiliaire . See Auxiliary .] Auxiliary. [ Archaic]

The auxiliar troops and Trojan hosts appear.
Pope.

Auxiliar noun An auxiliary. [ Archaic] Milton.

Auxiliarly adverb By way of help. Harris.

Auxiliary adjective [ Latin auxiliarius , from auxilium help, aid, from augere to increase.] Conferring aid or help; helping; aiding; assisting; subsidiary; as auxiliary troops.

Auxiliary scales (Mus.) , the scales of relative or attendant keys. See under Attendant , adjective -- Auxiliary verbs (Gram.) . See Auxiliary , noun , 3.

Auxiliary noun ; plural Auxiliaries
1. A helper; an assistant; a confederate in some action or enterprise.

2. (Mil.) plural Foreign troops in the service of a nation at war; (rarely in sing. ), a member of the allied or subsidiary force.

3. (Gram.) A verb which helps to form the voices, modes, and tenses of other verbs; -- called, also, an auxiliary verb ; as, have , be , may , can , do , must , shall , and will , in English; être and avoir , in French; avere and essere , in Italian; estar and haber , in Spanish.

4. (Math.) A quantity introduced for the purpose of simplifying or facilitating some operation, as in equations or trigonometrical formulæ. Math. Dict.

Auxiliatory adjective Auxiliary; helping. [ Obsolete]

Auxometer noun [ Greek ... to increase + -meter .] (Optics) An instrument for measuring the magnifying power of a lens or system of lenses.

Ava noun Same as Kava . Johnston.

Avadavat noun Same as Amadavat .