Webster's Dictionary, 1913

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Ampliate transitive verb [ Latin ampliatus , past participle of ampliare to make wider, from amplus . See Ample .] To enlarge. [ R.]

To maintain and ampliate the external possessions of your empire.
Udall.

Ampliate adjective (Zoology) Having the outer edge prominent; said of the wings of insects.

Ampliation noun [ Latin ampliatio : confer French ampliation .]
1. Enlargement; amplification. [ R.]

2. (Civil Law) A postponement of the decision of a cause, for further consideration or re-argument.

Ampliative adjective (Logic) Enlarging a conception by adding to that which is already known or received.

"All bodies possess power of attraction" is an ampliative judgment; because we can think of bodies without thinking of attraction as one of their immediate primary attributes.
Abp. W. Thomson.

Amplificate transitive verb [ Latin amplificatus , past participle of amplificare .] To amplify. [ Obsolete] Bailey.

Amplification noun [ Latin amplificatio .]
1. The act of amplifying or enlarging in dimensions; enlargement; extension.

2. (Rhet.) The enlarging of a simple statement by particularity of description, the use of epithets, etc., for rhetorical effect; diffuse narrative or description, or a dilating upon all the particulars of a subject.

Exaggeration is a species of amplification .
Brande & C.

I shall summarily, without any amplification at all, show in what manner defects have been supplied.
Sir J. Davies.

3. The matter by which a statement is amplified; as, the subject was presented without amplifications .

Amplificative adjective Amplificatory.

Amplificatory adjective Serving to amplify or enlarge; amplificative. Morell.

Amplifier noun One who or that which amplifies.

Amplify transitive verb [ imperfect & past participle Amplified ; present participle & verbal noun Amplifying .] [ French amplifier , Latin amplificare . See Ample , -fy .]
1. To render larger, more extended, or more intense, and the like; -- used especially of telescopes, microscopes, etc.

2. (Rhet.) To enlarge by addition or discussion; to treat copiously by adding particulars, illustrations, etc.; to expand; to make much of.

Troilus and Cressida was written by a Lombard author, but much amplified by our English translator.
Dryden.

Amplify intransitive verb
1. To become larger. [ Obsolete]

Strait was the way at first, withouten light,
But further in did further amplify .
Fairfax.

2. To speak largely or copiously; to be diffuse in argument or description; to dilate; to expatiate; -- often with on or upon . Watts.

He must often enlarge and amplify upon the subject he handles.
South.

Amplitude noun [ Latin amplitudo , from amplus : confer French amplitude . See Ample .]
1. State of being ample; extent of surface or space; largeness of dimensions; size.

The cathedral of Lincoln . . . is a magnificent structure, proportionable to the amplitude of the diocese.
Fuller.

2. Largeness, in a figurative sense; breadth; abundance; fullness. (a) Of extent of capacity or intellectual powers. " Amplitude of mind." Milton. " Amplitude of comprehension." Macaulay. (b) Of extent of means or resources. " Amplitude of reward." Bacon.

3. (Astron.) (a) The arc of the horizon between the true east or west point and the center of the sun, or a star, at its rising or setting. At the rising, the amplitude is eastern or ortive: at the setting, it is western, occiduous, or occasive. It is also northern or southern, when north or south of the equator. (b) The arc of the horizon between the true east or west point and the foot of the vertical circle passing through any star or object.

4. (Gun.) The horizontal line which measures the distance to which a projectile is thrown; the range.

5. (Physics) The extent of a movement measured from the starting point or position of equilibrium; -- applied especially to vibratory movements.

6. (math.) An angle upon which the value of some function depends; -- a term used more especially in connection with elliptic functions.

Magnetic amplitude , the angular distance of a heavenly body, when on the horizon, from the magnetic east or west point as indicated by the compass. The difference between the magnetic and the true or astronomical amplitude (see 3 above) is the "variation of the compass."

Amply adverb In an ample manner.

Ampul noun [ Anglo-Saxon ampella , ampolla , Latin ampulla : confer Old French ampolle , French ampoule .] Same as Ampulla, 2.

Ampulla noun ; plural Ampullæ [ Latin ]
1. (Rom. Antiq.) A narrow-necked vessel having two handles and bellying out like a jug.

2. (Eccl.) (a) A cruet for the wine and water at Mass. (b) The vase in which the holy oil for chrism, unction, or coronation is kept. Shipley.

3. (Biol.) Any membranous bag shaped like a leathern bottle, as the dilated end of a vessel or duct; especially the dilations of the semicircular canals of the ear.

Ampullaceous adjective [ Latin ampullaceus , from ampulla .] Like a bottle or inflated bladder; bottle-shaped; swelling. Kirby.

Ampullaceous sac (Zoology) , one of the peculiar cavities in the tissues of sponges, containing the zooidal cells.

Ampullar, Ampullary adjective Resembling an ampulla.

Ampullate, Ampullated adjective Having an ampulla; flask-shaped; bellied.

Ampulliform adjective [ Ampulla + -form .] Flask-shaped; dilated.

Amputate transitive verb [ imperfect & past participle Amputated ; present participle & verbal noun Amputating .] [ Latin amputatus , past participle of amputare : amb- + putare to prune, putus clean, akin to English pure . See Putative .]
1. To prune or lop off, as branches or tendrils.

2. (Surg.) To cut off (a limb or projecting part of the body) . Wiseman.

Amputation noun [ Latin amputatio : confer French amputation .] The act of amputating; esp. the operation of cutting off a limb or projecting part of the body.

Amputator noun One who amputates.

Ampyx noun [ Greek ....] (Greek Antiq.) A woman's headband (sometimes of metal), for binding the front hair.

Amrita noun [ Sanskrit amrita .] (Hind. Myth.) Immortality; also, the nectar conferring immortality. -- adjective Ambrosial; immortal.

Amsel, Amzel noun [ German See Ousel .] (Zoology) The European ring ousel ( Turdus torquatus ).

Amt noun ; plural Amter , E . Amts . [ Dan. & Norw., from G.] An administrative territorial division in Denmark and Norway.

Each of the provinces [ of Denmark] is divided into several amts , answering . . . to the English hundreds.
Encyc. Brit.

Amuck (ȧ*mŭk") adjective & adverb [ Malay amoq furious.] In a frenzied and reckless manner.

To run amuck , to rush out in a state of frenzy, as the Malays sometimes do under the influence of "bhang," and attack every one that comes in the way; to assail recklessly and indiscriminately.

Satire's my weapon, but I'm too discreet
To run amuck , and tilt at all I meet.
Pope.

Amulet noun [ Latin amuletum : confer French amulette .] An ornament, gem, or scroll, or a package containing a relic, etc., worn as a charm or preservative against evils or mischief, such as diseases and witchcraft, and generally inscribed with mystic forms or characters. [ Also used figuratively.]

Amuletic adjective Of or pertaining to an amulet; operating as a charm.

Amurcous adjective [ Late Latin amurcosus , Latin amurca the dregs of olives, Greek 'amo`rghs , from 'ame`rgein to pluck.] Full off dregs; foul. [ R.] Knowles.

Amusable (ȧ*mūz"ȧ*b'l) adjective [ Confer French amusable .] Capable of being amused.

Amuse (ȧ*mūz") transitive verb [ imperfect & past participle Amused (ȧ*mūzd"); present participle & verbal noun Amusing .] [ French amuser to make stay, to detain, to amuse, à (L. ad ) + Old French muser . See Muse , v. ]
1. To occupy or engage the attention of; to lose in deep thought; to absorb; also, to distract; to bewilder. [ Obsolete]

Camillus set upon the Gauls when they were amused in receiving their gold.
Holland.

Being amused with grief, fear, and fright, he could not find the house.
Fuller.

2. To entertain or occupy in a pleasant manner; to stir with pleasing or mirthful emotions; to divert.

A group of children amusing themselves with pushing stones from the top [ of the cliff], and watching as they plunged into the lake.
Gilpin.

3. To keep in expectation; to beguile; to delude.

He amused his followers with idle promises.
Johnson.

Syn. -- To entertain; gratify; please; divert; beguile; deceive; occupy. -- To Amuse , Divert , Entertain . We are amused by that which occupies us lightly and pleasantly. We are entertained by that which brings our minds into agreeable contact with others, as conversation, or a book. We are diverted by that which turns off our thoughts to something of livelier interest, especially of a sportive nature, as a humorous story, or a laughable incident.

Whatever amuses serves to kill time, to lull the faculties, and to banish reflection. Whatever entertains usually awakens the understanding or gratifies the fancy. Whatever diverts is lively in its nature, and sometimes tumultuous in its effects.
Crabb.

Amuse intransitive verb To muse; to mediate. [ Obsolete]

Amused adjective
1. Diverted.

2. Expressing amusement; as, an amused look.

Amusement noun [ Confer French amusement .]
1. Deep thought; muse. [ Obsolete]

Here I . . . fell into a strong and deep amusement , revolving in my mind, with great perplexity, the amazing change of our affairs.
Fleetwood.

2. The state of being amused; pleasurable excitement; that which amuses; diversion.

His favorite amusements were architecture and gardening.
Macaulay.

Syn. -- Diversion; entertainment; recreation; relaxation; pastime; sport.

Amuser (-ẽr) noun One who amuses.

Amusette noun [ French] A light field cannon, or stocked gun mounted on a swivel.

Amusing adjective Giving amusement; diverting; as, an amusing story. -- A*mus"ing*ly , adverb

Amusive adjective Having power to amuse or entertain the mind; fitted to excite mirth. [ R.] -- A*mu"sive*ly , adverb -- A*mu"sive*ness , noun

Amvis noun [ Am monium (nitrate) + Latin vis strength, force.] An explosive consisting of ammonium nitrate, a derivative of nitrobenzene, chlorated napthalene, and wood meal.

Amy noun [ French ami , from Latin amicus .] A friend. [ Obsolete] Chaucer.

Amyelous adjective [ Greek ... without marrow.] (Medicine) Wanting the spinal cord.

Amygdala (ȧ*mĭg"dȧ*lȧ) noun ; plural -læ (-lē). [ Latin , an almond, from Greek 'amygda`lh . See Almond .]
1. An almond.

2. (Anat.) (a) One of the tonsils of the pharynx. (b) One of the rounded prominences of the lower surface of the lateral hemispheres of the cerebellum, each side of the vallecula.

Amygdalaceous adjective (Botany) Akin to, or derived from, the almond.

Amygdalate adjective [ Latin amygdala , amygdalum , almond, Greek ..., .... See Almond .] Pertaining to, resembling, or made of, almonds.

Amygdalate noun
1. (Medicine) An emulsion made of almonds; milk of almonds. Bailey. Coxe.

2. (Chemistry) A salt amygdalic acid.

Amygdalic adjective (Chemistry) Of or pertaining to almonds; derived from amygdalin; as, amygdalic acid.

Amygdaliferous adjective [ Latin amygdalum almond + -ferous .] Almond-bearing.

Amygdalin noun (Chemistry) A glucoside extracted from bitter almonds as a white, crystalline substance.

Amygdaline adjective [ Latin amygdalinus .] Of, pertaining to, or resembling, almonds.

Amygdaloid noun [ Greek ... almond + -oid : confer French amygdaloïde .] (Min.) A variety of trap or basaltic rock, containing small cavities, occupied, wholly or in part, by nodules or geodes of different minerals, esp. agates, quartz, calcite, and the zeolites. When the imbedded minerals are detached or removed by decomposition, it is porous, like lava.