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A
A C—c D ; Or That The Lines F D,f D, Be Each Equal To A C : Then, Having Fixed Two Pins In The Points Fj, Which Are Called The Foci Of The Ellipsis, Take A Thread Equalin Length To The Transverse Axis A B; And Fastening Its Two ...

A C Bd
A : C B D 2 : 8 :: 4 : 165 2. Inverse Ratio, Is When The Consequent Is Taken As The Antecedent, And So Compar Ed To The Antecedent As The Consequent. As A : B:: C : D ; Therefore Inversely As S B : A :: ...

A Cartilaginous Fishes
(a) Cartilaginous Fishes. Chondropterygii ; Having No Gill-cover ; An Uterus, With Two Oviducts. 1. Petromyzon, Lamprey. 2. Gastrobrarichus. 3. Rant Skate, Torpedo, Stingray. 4. Squanfs, Shark, Saw-fish. 5. Lophius, Sea-devil, Frog-fish. 6. Batistes, File-fish. 7. Chimera. Branchiostegr ; Having A Gill-cover. 1. Accipenser, Sturgeon; Beluga. 2. Ostracion, Trunk-fish. 3. ...

A Di Poc I
A Di Poc I Re, Is A Term Formed Of Adeps, Fat, And Cera, Wax, And Denotes A Sub Stance, The Nature And Origin Of Which Are Thus Explained. The Changes Which Ani Mal Matter Undergoes In Its Progress To Ward_s Total Decomposition Have Been, For Many Obvious Reasons, But ...

A Erostation
A Erostation, In The Modern Appli Cation Of The Term Signifies The Art Of Na Vigation Through The Air, Both In Its Kin Ciples And Practice. Hence Also The Ma Chines Which Are Employed For This Pur Pose Are Called Aerostats, Or Aerostatic Machines; And On Account Of Their Round ...

A Terrestrial Birds
(a) Terrestrial Birds. Order 1. Accapitres. Birds Of Prey, With Strong Hooked Bills, And Large Curved Ta Ions, A Membranous Stomach, And Short Czca. 1. Vultur, Vultures. 2. Falco, Falcon, Eagle, Hawk, Kite. 3. Stria, Owl. 4. Lanius, Shrike, Or Butcher Bird. Ii. Levirostres, Light-billed Birds, Hay Ing A Large ...

Aaa 2
Aaa 2 V R Is Here = 1-f ; That Of The 4 V 8 V Third That Of The Fourth And 1-fr' 1-fr3 N-1 So On To The Last, Wilidiwme,.— V. L+r The Momentum Of The First Will Be A V, That Of The Second 2r That That Of ...

Abaeapaf
Ab:ae::ap:af Ordg; That Is, E X M: E X : —. And A B:b E :: A P I2 N X P F-; That Is, M N X : —. And Wilse Y: Quently,g.morpm—pf—fg=y 71 — X R. And C G Or Dg—dc= In E X — S. But From ...

Abraham Sharp
Sharp, (abraham,) In Biography, An Eminent Mathematician, Mechanist, And Astronomer, Was Descended From An An Cient Family At Little Horton, Near Brad Ford, In The West Riding Of Yorkshire, Where He Was Born About The Year 1651.. At A Proper Age He Was Put Apprentice To A Merchant At Manchester ...

Abstraction Attention
Attention, Abstraction, And Neralization. 117. By Investigating The Phenomena Of Mind At A Time When We Have Formed A Connection Between Volition And Certain Mental States Or Operations, We Are Re Peatedly Led To Consider Those States Or Operations, However Passive The Mind Might Originally Have Been, As Totally, And ...

Ac Rostema
Ac Rostema, The Garland Of The Field, In Botany', A Genns Of The Decandria Pea Tagynia Class Ancl Order: The Calyx Is One Leafeck The Corolla Has Five Petals; The Stmnirde-are Ten Awl-shaped Fikunents; The Pistilltim An Ovate Germ, With Erect Styles And Simple Stygmas; The Pericarpium Is One-celled ; ...

Acabus
Acabus, The Tick Or Mite, In Natural History, So Called, Because It Is Deemed So Small That It Cannot Be Cut, Is A Genus Of Insects Belonging To Tlte Ortler Of Aptcra, In The Linnwan System. Gmelin, In The Last Edition Of Linna:us's System, Has Elghty-two Species ; Of Which, ...

Academics
Academics, A Sect Of Philosophers, Who Followed The Doctrine Of Socrates And Plato, As To The Uncertainty Of Knowledge, And The Incomprehensibility Of Truth. Academic, This Sense, Amounts To Much The Same With The Differ Ence Between Them Being Only I U Point Of Time. They Who Embraced The System ...

Achillea
Achillea, Milfoil, In Botany, So Call Ed From Achilles Who Is Supposed To Have Acquired Some Knowledge Of Botany Front His Master Chiron, And To Have Used This Plant For,the Cure Of Ni Ounds And Ulcers ; A Genustf The Syrigenesia Polygantia Su Perthin Cla.ss Of Plants, And Of The ...

Aconitum
Aconitum, Aconite, Wolf's-bane, Or Monk's-hood, In Botany,'a Genus Of Plants Of The Trigynia Order And Poly-andria Class, And Pertaining To The Natural Order Of, Multisiliqux. In The Last Edition Of Linnieus, By Gmelin, This Genus Compre Hends Fourteen Species; Most Of The Spe Ciei Of Aconite Ha= Been Deemed Poison ...

Acorus
Acorus, In Botany, The Sweet Flag, Or Sweet Rush, A Genus Of The Monop,-ynia Or Der, And Hexandria -class Of Plants, And Belonging To The Natural Orderof Piperitx. There Are Two Species, Viz, The A. Cala Mus, Or Common Sweet Rush, Of Which There Are Two Varieties, The S-uhgaris, Or ...

Acoustics
Acoustics, In Physics, Is Ii Uttscie Nce Which Instructs Us In Tile Nature Of Sound. It Is Divided By Some Writers Into Diacous Tics, Which Explains Die Properties Of Those Sounds That Come Distinctly From The So Norous Body To The Ear; And Catacoustics, Hich Treats Of Reflected Sounds; But ...

Acti05
Acti05 In Law, Denotes Either The Right Of Demanding, In A Legal Manner, What Is Any Man's Due, Or The Process Brought For The Recovering The Same. Actions Are Either Criminal Or Civil. Criminal Actions Arc To Have Judgment Of Death, Asappeals Of Death, Robbery, &c. Or Only Judgment For ...

Addition
Addition. Addition Is That Operation By Which We Find The Amount Of Two Or More Numbers. The Method Of Doing This In Simple Cases Is Obvious, As Soon As The Meaning Of Number Is Known, And Admits Of No Illus Tration. A Young Learner Will Begin At One Of The ...

Addition Of Algebraical Ties
Addition Of Algebraical Ties. The Addition Of Altrebraical Quantities. Is 5erformed By Connecting Those That Are Un Ike With Their Proper Sigma, And Collecting 'hose That Are Similar Into One Sum. , Add Together The Following Unlike Pantities : Ex. 1 A X +3.: --2 Y Ans. Ax—btt+ Y Ex. ...

Aesc Clos
Aesc Clos, In Botany, A Genus Of The I Leptandria Monogynia Class And Order, Of The Natural Order Of Trihilatm. There Are Three Species : The First, Or Common Horse-chestnut, Was Brought From The Northern Parts Of Asia Into Europe About The Year 1550, And Sent To Vienna About The ...

Affections Op
Affections Op Joint/. White Swelling Attacks The Larger Articu Lations Most Frequently. It Consists In An Indolent Tumour Of The Part, Without Affec Tion Of The Skin, Impairing The Motions Of The Joint ; Arising From A Diseased State Of The Bones And Ligaments, Which Causes A General Thickening Of ...

Affections Of The Mk
Affections Of The !mk. The Wounds Of This Part, Inflicted In At Tempts At Suicide, Often Require The Sur Geon's Assistance. After Stopping Any Bleeding Vessels, Let The Wound Be Ap Proximated, By Bringing The Head For Wards On The Neck, And Retaining It In That Position. Sutures, Placed In ...

Agapanth Us
Agapanth Us, In Botany, A Genus Of The Hexandria Monoania Class And Or Der, Of The Natural Order Ol' : The Calyx Is A Spathe ; The Corolla Is One Pe Talled ; The Stamina Are Six Filaments, In Serted Into The Thmat, Shorter Than The Corolla; The Anthers Kidney-shaped ...

Agaric
.agaric, In Botany, A Genus Of The Or Der Of Fungi, And Class Of Cryptogarnia : The Pileus Or Cap Ha.s Gills Underneath, And The Gills Differ In Substance From The Rest Of The Piant, Being Composed Of Two Lamina, And The Seeds Are In The Gills. There Are Nearly ...

Agave
Agave, In Botany, A Genus Of The Hex Andria Monogynia Class And Order, Of The Natural Order Of Coronarim: It Has No Calyx ; The Corolla Is One-petalled And Funnel-shaped ; The Stamina Are Filiform The Anthers Linear; The Pistillitm Is An Ob Long Gerrnen ; The Style Worm; The ...

Aggregate
Aggregate, In Botany, Is A Term Used To Express Those Flowers Which Are Composed Of Parts Or Florets, So United Or Incorporatedby Means Either Ofthe Recep. Tacle Or Calyx, That No One Of Them Can Be Taken Away Without Destroying The Form Of The Whole. They Are Opposed To Sim ...

Agriculture
Agriculture, Is The Science Which Explains The Means Of Making The Earth Produce, In Plenty And Perfection, Those Vegetables, Which Are Necessary To The Subsistence Or Convenience Of Man. Its Practice Demands A Considerable Know Ledge Of The Relations Subsisting Between The Most Important Objects Of' Nature. It Is Eminently ...

Ajovea
Ajovea, In Botany, A Genus Of The Hexandria Monogynia Class And Order: The Calyx Is Single-leaved, The Corolla Has Three Petals, The Stigma Is Divided Into Six Segments, And The Fruit Is A Roundish, Single -celle D, Monospermous Berry. There Is One Species That Grows In The Foreits Of Guiana. ...

Alauda
Alauda, Lark, In Ornithology, A Genus Of Birds Of The Order Of Passercs ; The Characters Of Which Are, That The Beak Is Cylindrical, Subulate, And Straight, Bend Ing Towards The Point, The Mandibles Are Of Equal Size,"ind Opening Downwards At Their Base; The Tongue Is Bifid ; And The ...

Alaxy
Alaxy, In Astronomy. A Very Re Malkable Appearance In The Heavens Is That Called The Galaxy, Or The Milky-way. This Is A Broad Circle, Sometimes Dou Ble, But For The Most Part Single, Sur Rounding The Whole Celestial Concave. We Perceive Also In Different Parts Of The Heavens Small White ...

Alca
Alca, Auk, In Ornithology, A Genus Of The Order: Of Anseres, In The Linnzean Sys Tem, The Characters Of Which Are, That The Bill Is Without Teeth, Short, Compressed, Convex, Frequently Furrowed Transverse Ly ; The Inferior Mandible Is Gibbous Before The Base; The Nostrils Are Behind The Bill; And ...

Alcedo
Alcedo, Kingsfisher, In Ornithology, A Genus Oldie Order Of Picz. The Charac Ters Are, That The Bill Is Three-sided, Thick-, Straight, Long, And Pointed; The Tongue Is Fleshy-, Very Short, Flat, And Sharp, And The Feet Are For The Most Part Gressory. There Are 41 Species. These Birds Are Dispersed ...

Alcohol
Alcohol, A Term Applied By Chemists To The Purely Spirituous Part Of Liquors That Have Undergone The Vinous Fermen Tation. It Is In All Cases The Product Of The Saccharine Principle, And Is Formed By The Successive Processes Of Vinous Fermenta Tion And Distillation. Various Kinds Of Ardent Spirits Arc ...

Alembert
Alembert (jogs Le Rond D') An Eminent French Mathematician And Philo Sopher, And One Of The Brightest Orna Ments Of The 18th Century. He Was Per Petual Secretary To The French Academy Of Sciences And A Member Of Most Of The Philosophical Academies And Societies Of Europe. D'alembert Was Born ...

Alexand Man
Alexand Man Copy Of' The Svelv Testament, Preserved In The British Mu Seum, Is Referred To As An Object Of Curi Osity, As Well As Of Considerable Import Ance, To Persons Who Study The Scrip Tures Critically. It Consists Of Folir Large Quarto, Or Rather •folio Volumes, Onntain Ing The ...

Alga
Alga:, In Botany, An Order Or Division Of The Cryptogamia Class Of Plants. It Is One Of The, Seven Families Or Natural Tribcs Into Which The Vegetable Kingdom Is Dis Tributed, In The Philosophia Botanica Of Linnzeus; The 57th Order Of His Fragments Of A Natural Method. The Plants Belonging ...

Algebra
Algebra, Sped0718 Or Literal, Or The New Algebra, Is That In Which All The Quanti Ties, Known And Unknown, Are Express Ed Or Represented By Their Species, Or Let Ters Of The Alphabet 'mere Are Instan Ces Of This Method From Cardan, And Others About His Time ; But It ...

A C K L
L K N, A C K, Are Similar Triangles, And (by Prop. 4. Lib. 6. Of Euclid) Nk:kl : : K C (i. E. B D) : C A ; That Is, 80 : 100 : : 96 : Ca : Therefore, By The Rule Of Three, , 96 X ...