n. 1. 1 (Electricity) a unit of electrical current equal to 10 amperes.
Syn. -- abamp [ WordNet 1.5 ]

‖ [ It. See Chapel. ] (Mus.) (a) In church or chapel style; -- said of compositions sung in the old church style, without instrumental accompaniment; as, a mass a capella, i. e., a mass purely vocal. (b) A time indication, equivalent to alla breve. [ 1913 Webster ]

a. [ Pref. a- not + carpel. ] (Bot.) Having no carpels. Opposite of carpellate.
Syn. -- acarpe [ 1913 Webster ]

n. See Acipenser. [ 1913 Webster ]

‖prop. n. [ L., the name of a fish. ] (Zool.) A genus of ganoid fishes, including the sturgeons, having the body armed with bony scales, and the mouth on the under side of the head. See Sturgeon. [ 1913 Webster ]

prop. n. The natural family of fish including the sturgeons.
Syn. -- family Acipenseridae. [ WordNet 1.5 ]

‖n. pl. [ NL., fr. Gr. 'a priv. + &unr_; border. ] (Zool.) A group of acalephs, including most of the larger jellyfishes; the Discophora. [ 1913 Webster ]

a. [ Gr. 'a`kros summit + L. petere to seek. ] (Bot.) Developing from below towards the apex, or from the circumference towards the center; centripetal; -- said of certain inflorescence. [ 1913 Webster ]

a. [ L. adeps, adipis, fat + -escent. ] Becoming fatty. [ 1913 Webster ]

n. [ Aëro- + Gr. &unr_; to look out. ] (Biol.) An apparatus designed for collecting spores, germs, bacteria, etc., suspended in the air. [ 1913 Webster ]

n. [ Aero- + therapeutics. ] (Med.) Treatment of disease by the use of air or other gases. AS [ Webster 1913 Suppl. ]

n. [ Gr. &unr_; clear + &unr_; to observe. ] An instrument consisting in part of a differential thermometer. It is used for measuring changes of temperature produced by different conditions of the sky, as when clear or clouded. [ 1913 Webster ]

adv. & a. [ Pref. a- + gape. ] Gaping, as with wonder, expectation, or eager attention. [ 1913 Webster ]

Dazzles the crowd and sets them all agape. Milton. [ 1913 Webster ]

‖n.; pl. Agapæ [ Gr. 'aga`ph love, pl. 'aga`pai. ] The love feast of the primitive Christians, being a meal partaken of in connection with the communion. [ 1913 Webster ]

n. pl. [ OF. agrappe, F. agrafe; a + grappe (see Grape) fr. OHG. krāpfo hook. ] Hooks and eyes for armor, etc. Fairholt. [ 1913 Webster ]

adv. & a. [ Pref. a- + grope. ] In the act of groping. Mrs. Browning. [ 1913 Webster ]

A pipe for the passage of air; esp. a ventilating pipe. [ 1913 Webster ]

n. a propeller designed for propelling airplanes.
Syn. -- airscrew, propeller, prop. [ WordNet 1.5 +PJC ]

(Geol.) A period in the American eocene, the lowest in the tertiary age except the lignitic. [ 1913 Webster ]

n. [ From the name of the inventor, Albert, of Munich. ] A picture printed from a kind of gelatine plate produced by means of a photographic negative. [ 1913 Webster ]

n. [ Gr. &unr_; true + &unr_; to view. ] An instrument for viewing pictures by means of a lens, so as to present them in their natural proportions and relations. [ 1913 Webster ]

a. [ L. alipes; ala wing + pes, pedis, foot: cf. F. alipède. ] (Zool.) Wing-footed, as the bat. -- n. An animal whose toes are connected by a membrane, serving for a wing, as the bat. [ 1913 Webster ]

adj. having the shape of an almond, i.e. ellipsoidal with somewhat pointed ends.
Syn. -- amygdaliform, amygdaloid, amygdaloidal. [ WordNet 1.5 ]

{ ‖ } n. [ L. alopecia, Gr. 'alwpeki`a, fr. 'alw`phx fox, because loss of the hair is common among foxes. ] (Med.) Loss of the hair; baldness. AS [ 1913 Webster ]

n. A practitioner who tries to prevent or cure baldness. [ 1913 Webster ]

prop. n. a genus of arctic foxes.
Syn. -- genus Alopex. [ WordNet 1.5 ]

a. Of or pertaining to the Alps. [ R. ] “The Alpen snow.” J. Fletcher. [ 1913 Webster ]

n. A reddish glow seen near sunset or sunrise on the summits of mountains; specif., a reillumination sometimes observed after the summits have passed into shadow, supposed to be due to a curving downward (refraction) of the light rays from the west resulting from the cooling of the air. [ Webster 1913 Suppl. ]

‖n. [ G.; Alp, gen. pl. Alpen + stock stick. ] A long staff, pointed with iron, used in climbing the Alps. Cheever. [ 1913 Webster ]

a. [ L. Alpestris. ] 1. Pertaining to the Alps, or other high mountains; as, Alpestrine diseases, etc. [ 1913 Webster ]

2. (Bot.) Growing on the elevated parts of mountains, but not above the timber line; subalpine. [ Webster 1913 Suppl. ]

. (Photog.) A sensitized paper for obtaining positives by artificial light. It is coated with gelatin containing silver bromide and chloride. [ Eng. ] [ Webster 1913 Suppl. ]

{ }, n. [ G. Alpenhorn. ] A curved wooden horn about three feet long, with a cupped mouthpiece and a bell, used by the Swiss to sound the ranz des vaches and other melodies. Its notes are open harmonics of the tube. [ Webster 1913 Suppl. ]

n. [ L. altus high + Gr. &unr_; to view. ] An arrangement of lenses and mirrors which enables a person to see an object in spite of intervening objects. Since the early 1900's, most commonly called periscope. [ 1913 Webster ]

n. a genus of epiphytic or terrestrial ferns of America and Africa and Polynesia.
Syn. -- genus Amauropelta. [ WordNet 1.5 ]

n. [ Gr. 'a`mbrotos immortal + -type. ] (Photog.) A picture taken on a plate of prepared glass, in which the lights are represented in silver, and the shades are produced by a dark background visible through the unsilvered portions of the glass. [ 1913 Webster ]

n. [ L. ampelitis, Gr. 'ampeli^tis, fr. 'a`mpelos vine. ] (Min.) An earth abounding in pyrites, used by the ancients to kill insects, etc., on vines; -- applied by Brongniart to a carbonaceous alum schist. [ 1913 Webster ]

‖n. [ NL., fr. Gr. 'a`mpelos vine + 'o`psis appearance. ] (Bot.) A genus formerly including the Virginia creeper. [ Webster 1913 Suppl. ]

n. (Elec.) The strength of a current of electricity carried by a conductor or generated by a machine, measured in ampères. [ Webster 1913 Suppl. ]

{ ‖ } n. [ From the name of a French electrician. ] (Elec.) The unit of electric current; -- defined by the International Electrical Congress in 1893 and by U. S. Statute as, one tenth of the unit of current of the C. G. S. system of electro-magnetic units, or the practical equivalent of the unvarying current which, when passed through a standard solution of nitrate of silver in water, deposits silver at the rate of 0.001118 grams per second. Called also the international ampère. [ 1913 Webster ]

. (Elec.) A unit, employed in calculating fall of pressure in distributing mains, equivalent to a current of one ampère flowing through one foot of conductor. [ Webster 1913 Suppl. ]

. (Elec.) The quantity of electricity delivered in hour by a current whose average strength is one ampère. It is used as a unit of charge quantity; the Ampere hour is equal to 3600 coulombs. The terms and are sometimes similarly used. [ Webster 1913 Suppl. ]

n. 1. a unit of charge equal to that acquired by the accumulation of one ampere for one second.
Syn. -- coulomb, C [ WordNet 1.5 ]

. (Elec.) A unit of magnetomotive force equal to the product of one complete convolution (of a coiled conductor) into one ampère of current; thus, a conductor having five convolutions and carrying a current of half an ampère is said to have 21/2 ampère turns. The magnetizing effect of a coil is proportional to the number of its ampère turns. [ Webster 1913 Suppl. ]

{ ‖ } n. [ Ampère + meter. ] (Physics) An instrument for measuring the strength of an electrical current in ampères. [ 1913 Webster ]

n. [ A corruption of and, per se and, i. e., & by itself makes and. ] A word used to describe the character &unr_;, &unr_;, or &. Halliwell. [ 1913 Webster ]

n. [ Gr. &unr_; + E. peptone. ] (Physiol.) A product of gastric digestion, a mixture of hemipeptone and antipeptone. [ 1913 Webster ]

n. [ Anamorphosis + -scope. ] An instrument for restoring a picture or image distorted by anamorphosis to its normal proportions. It usually consists of a cylindrical mirror. [ Webster 1913 Suppl. ]

n. [ L. anapaestus, Gr. &unr_; an anapest, i.e., a dactyl reserved, or, as it were, struck back; fr. &unr_;; 'ana` back + &unr_; to strike. ] 1. (Pros.) A metrical foot consisting of three syllables, the first two short, or unaccented, the last long, or accented (˘ ˘ -); the reverse of the dactyl. In Latin d&ebreve_;-&ibreve_;-tās, and in English in-ter-vene&bprime_;, are examples of anapests. [ 1913 Webster ]

2. A verse composed of such feet. [ 1913 Webster ]

a. [ L. anapaesticus, Gr. 'anapaistiko`s. ] Pertaining to an anapest; consisting of an anapests; as, an anapestic meter, foot, verse. -- n. Anapestic measure or verse. [ 1913 Webster ]

a. Anapestic. [ 1913 Webster ]