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1 Lavoisier, Antoine Laurent
SUBJECT AREA: Chemical technology[br]b. 26 August 1743 Paris, Franced. 8 May 1794 Paris, France[br]French founder of the modern science of chemistry.[br]As well as receiving a formal education in law and literature, Lavoisier studied science under some of the leading figures of the day. This proved to be an ideal formation of the man in whom "man of science" and "public servant" were so intimately combined. His early work towards the first geological map of France and on the water supply of Paris helped to win him election to the Royal Academy of Sciences in 1768 at the youthful age of 25. In the same year he used some of his private income to buy a part-share in the "tax farm", a private company which leased from the Government the right to collect certain indirect taxes.In 1772 Lavoisier began his researches into the related phenomena of combustion, respiration and the calcination or oxidation of metals. This culminated in the early 1780s in the overthrow of the prevailing theory, based on an imponderable combustion principle called "phlogiston", and the substitution of the modern explanation of these processes. At the same time, understanding of the nature of acids, bases and salts was placed on a sounder footing. More important, Lavoisier defined a chemical element in its modern sense and showed how it should be applied by drawing up the first modern list of the chemical elements. With the revolution in chemistry initiated by Lavoisier, chemists could begin to understand correctly the fundamental processes of their science. This understanding was the foundationo of the astonishing advance in scientific and industrial chemistry that has taken place since then. As an academician, Lavoisier was paid by the Government to carry out investigations into a wide variety of practical questions with a chemical bias, such as the manufacture of starch and the distillation of phosphorus. In 1775 Louis XVI ordered the setting up of the Gunpowder Commission to improve the supply and quality of gunpowder, deficiencies in which had hampered France's war efforts. Lavoisier was a member of the Commission and, as usual, took the leading part, drawing up its report and supervising its implementation. As a result, the industry became profitable, output increased so that France could even export powder, and the range of the powder increased by two-thirds. This was a material factor in France's war effort in the Revolution and the Napoleonic wars.As if his chemical researches and official duties were not enough, Lavoisier began to apply his scientific principles to agriculture when he purchased an estate at Frechines, near Blois. After ten years' work on his experimental farm there, Lavoisier was able to describe his results in the memoir "Results of some agricultural experiments and reflections on their relation to political economy" (Paris, 1788), which holds historic importance in agriculture and economics. In spite of his services to the nation and to humanity, his association with the tax farm was to have tragic consequences: during the reign of terror in 1794 the Revolutionaries consigned to the guillotine all the tax farmers, including Lavoisier.[br]Bibliography1862–93, Oeuvres de Lavoisier, Vols I–IV, ed. J.B.A.Dumas; Vols V–VI, ed. E.Grimaux, Paris (Lavoisier's collected works).Further ReadingD.I.Duveen and H.S.Klickstein, 1954, A Bibliography of the Works of Antoine Laurent Lavoisier 1743–1794, London: William Dawson (contains valuable biographical material).D.McKie, 1952, Antoine Lavoisier, Scientist, Economist, Social Reformer, London: Constable (the best modern, general biography).H.Guerlac, 1975, Antoine Laurent Lavoisier, Chemist and Revolutionary, New York: Charles Scribner's Sons (a more recent work).LRDBiographical history of technology > Lavoisier, Antoine Laurent
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2 fin
I.fin1, fine1 [fɛ̃, fin]1. adjectivea. ( = mince) thin ; [cheveux, sable, poudre, pointe, pinceau] fine ; [taille, doigt, jambe] slenderb. ( = raffiné) [lingerie, porcelaine, silhouette, membres] delicate ; [traits, visage, or] fine ; [produits, aliments] top-quality ; [mets] exquisitec. ( = très sensible) [vue, ouïe] sharp ; [goût, odorat] discriminating• comme c'est fin ! very clever!• tu as l'air fin ! you look a right idiot! (inf)e. (avant le nom = habile) expertf. (avant le nom: intensif) au fin fond de la campagne right in the heart of the country2. adverb[moudre, tailler] finely3. compoundsII.fin2 [fɛ̃]1. feminine nouna. end• « Fin » [de film, roman] "The End"• vers or sur la fin towards the end• fin juin• tu m'ennuies, à la fin ! (inf) you're beginning to get on my nerves!• toucher à or tirer à sa fin to be coming to an endb. ( = mort) endc. ( = but) aim2. compounds* * *
I
1.fine fɛ̃, fin adjectif1) [sable, pluie] fine; [fil, écriture, pinceau, pointe] fine; [tranche, couche, verre] thin2) [petit pois, haricots verts] quality (épith)très fins — top-quality (épith)
3) ( délicat) [cheville, taille] slender; [traits] fine; [bijou, dentelle] delicate, fine; [vins, aliments] fine; [plat] delicate4) ( subtil) [personne] perceptive; [esprit] shrewd; [allusion, interprétation, humour] subtle; [goût] delicate, subtlevraiment c'est fin! — iron that's really clever! iron
avoir l'air fin — (colloq) to look a fool
tu as l'air fin (colloq) avec ce chapeau! — you look a sight (colloq) in that hat!
5) ( sensible)6) ( remarquable) excellentla fine fleur des économistes — the top ou best economists
7) ( ultime)au fin fond de — in the remotest part of [pays, région]; at the very bottom of [tiroir, armoire]
2.
1) ( complètement)fin soûl — (colloq) completely drunk
2) ( finement) [écrire, moudre] finely; [couper] thinly
3.
nom masculinle fin du fin — the ultimate (de in)
Phrasal Verbs:
II fɛ̃1) ( terme) end; (de réunion, période) close, end; ( façon dont se termine quelque chose) endingtoucher or tirer à sa fin — to be coming ou drawing to an end
sans fin — [discussions] endless; [discuter] endlessly
tu vas te taire à la fin! — (colloq) for God's sake, be quiet!
tu m'ennuies à la fin! — (colloq) you're really getting on my nerves!
chômeur en fin de droits — unemployed person no longer eligible for benefit
fin de siècle — pej decadent, fin-de-siècle
2) ( mort) end, death3) ( but) end, aim, purpose•Phrasal Verbs:* * *
I fɛ̃1. nf1) (= terme) endElle n'a pas regardé la fin du film. — She didn't watch the end of the film.
"Fin" — "The End"
à la fin — in the end, eventually
À la fin, il a réussi à se décider. — In the end he managed to make up his mind.
Il sera en vacances fin juin. — He'll be on holiday at the end of June.
sans fin adj — endless, advendlessly
2) (= but)2. fins nfpl(= but) ends
II fin, -e1. adj1) (peu épais) (papier, couche, fil) thin, (cheveux, poudre, pointe, visage) fine, (taille) neat, slim2) (de qualité supérieure) (vins) fine3) (= subtil) (remarques) (avant le nom) subtlec'est fin! ironique — how clever!
4) (= sensible) (ouïe, odorat) keen5) (placé avant le nom: qui excelle dans une activité)2. adv1) (= finement) [moudre, couper] finely2) (= tout à fait)3. nm* * *I.A adj1 ( constitué d'éléments très petits) [sable, poudre, pluie] fine;2 ( très mince) [gouttelette, fil, trait de crayon, écriture] fine; [tranche, plaque, couche, feuille, verre] thin;3 ( effilé) [pinceau, aiguille, plume, pointe] fine;5 ( délicat) [cheville, poignet, cou, taille] slender; [traits] fine; il est très fin de visage he's got very fine features;6 ( ouvragé) [orfèvrerie, broderie, bijou, dentelle] delicate, fine;7 ( de grande qualité) [vins, aliments, lingerie] fine; [plat, mets, morceau] delicate;8 ( subtil) [personne] perceptive; [esprit] shrewd; [allusion, interprétation] subtle; [plaisanterie, humour] subtle; [goût] delicate, subtle; vraiment c'est fin! iron that's really clever! iron; jouer au plus fin avec qn to try to outsmart sb; avoir l'air fin○ to look a fool; tu as l'air fin○ avec ce chapeau! you look a sight○ in that hat!;9 ( sensible) avoir l'ouïe or l'oreille fine to have a keen sense of hearing; avoir l'odorat or le nez fin to have a keen sense of smell;10 ( remarquable) (before n) excellent; c'est une fine cuisinière she's an excellent cook; fin gourmet gourmet; fin connaisseur connoisseur; fin tireur crack shot; la fine fleur des économistes/joueurs d'échecs the top ou best economists/chess players; ⇒ bouche;11 ( ultime) (before n) au fin fond de in the remotest part of [pays, région]; at the very bottom of [tiroir, armoire]; ils habitent au fin fond du Massif central they live in the remotest part of the Massif Central; le fin mot de l'histoire the truth of the matter.B advC nm le fin du fin the ultimate (de in).fin limier super-sleuth; fin renard sly customer○; fine gueule○ gourmet; fine lame expert swordsman; fine mouche = fin renard; fines herbes mixed herbs, fines herbes.II.fin nf1 ( terme) end; (de séance, réunion, période) close, end; ( façon dont se termine quelque chose) ending; à la fin de at the end of; fin août/septembre at the end of August/September; en fin de journée/semaine/mois at the end of the day/week/month; à la fin des années 70 in the late '70s; en fin de matinée/d'après-midi late in the morning/afternoon; vers or sur la fin toward(s) the end; en fin de séance ( à la Bourse) at the close; jusqu'à la fin to the (very) end; jusqu'à la fin des temps until the end of time; toucher or tirer à sa fin to be coming ou drawing to an end; tout a une fin everything comes to an end; prendre fin to come to an end; mettre fin à to put an end to; mettre fin à ses jours to take one's own life, to put an end to one's life; ‘fin’ (dans un film, roman) ‘the end’; la fin du monde lit, fig the end of the world; c'est la fin de leurs espoirs it's the end of their hopes; avoir des fins de mois difficiles to find it hard to make ends meet at the end of the month; la quatrième en partant de la fin the fourth from the bottom ou end; la table des matières est à la fin du livre the table of contents is at the back of the book; payable fin janvier/courant/prochain payable at the end of January/of this month/of next month; c'est la fin de tout it's the last straw; mener qch à bonne fin to carry sth off, to bring sth to a successful conclusion; c'est un bon film mais je n'ai pas aimé la fin it's a good film but I didn't like the ending; sans fin [combats, discussions, guerre] endless, never-ending; [discuter, épiloguer, se disputer] endlessly; à la fin in the end; tu vas te taire à la fin○! for God's sake, be quiet!, be quiet already○ US!; tu m'ennuies à la fin○! you're really getting on my nerves!; chômeur en fin de droits unemployed person who is no longer entitled to unemployment benefit; fin de siècle pej decadent, fin-de-siècle;2 ( mort) end, death; une fin tragique/prématurée a tragic/premature end ou death; il ne vous entend plus, c'est la fin he can no longer hear you, he's dying;3 ( but) end, aim, purpose; à cette fin to this end; à toutes fins utiles for whatever purpose it may serve; arriver or parvenir à ses fins to achieve one's aims; à seule fin de for the sole purpose of; ce n'est pas une fin en soi it's not an end in itself.la fin justifie les moyens, qui veut la fin veut les moyens the end justifies the means.I( féminin fine) [fɛ̃, fin] adjectif1. [mince - sable, pinceau] fine ; [ - cheveu, fil] fine, thin ; [ - écriture] fine, small ; [ - doigt, jambe, taille, main] slim, slender2. [délicat - visage, traits] delicate3. [aiguisé - pointe] sharp4. [de qualité - aliments, produit] high-quality, top-quality ; [ - mets, repas] delicate, exquisite, refined ; [ - dentelle, lingerie] delicate, fine ; [ - or, pierre, vin] fine5. [subtil - observation, description] subtle, clever ; [ - personne] perceptive, subtle ; [ - esprit] sharp, keen, shrewd ; [ - plaisanterie] wittyce n'était pas très fin de ta part it wasn't very smart ou clever of youne joue pas au plus fin avec moi don't try to outwit ou to outsmart me7. (avant le nom) [extrême]dans le ou au fin fond du placard at the very back of the closetle fin mot de l'histoire c'est... the best of it is...on ne connaîtra jamais le fin mot de l'histoire we'll never know what really happened ou the real story8. (avant le nom) [excellent]fin adverbehâché fin [herbes] finely chopped2. [tout à fait]fine bouche nom féminin1. [gourmet]2. (locution)fine gueule nom fémininII[fɛ̃] nom féminin1. [terme - d'une période, d'un mandat] end ; [ - d'une journée, d'un match] end, close ; [ - d'une course] end, finish ; [ - d'un film, d'un roman] end, ending (substantif comptable)jusqu'à la fin des temps ou des siècles until the end of timefin mai/1997 (at the) end of May/1997se battre/rester jusqu'à la fin to fight/to stay to the very endmener quelque chose à bonne fin to pull ou to carry something off (successfully)mettre fin à ses jours to put an end to one's life, to take one's own lifetirer ou toucher à sa fin to come to an end, to draw to a closefaire une fin to settle down, to get marriedça y est, j'en vois la fin! at last, I can see the light at the end of the tunnel!avoir ou connaître des fins de mois difficiles to find it hard to make ends meet (at the end of the month)2. [disparition] endla fin de la civilisation inca the end ou death of Inca civilizationce n'est quand même pas la fin du monde! it's not the end of the world, is it!avoir une fin tragique/lente to die a tragic/slow deathà cette fin to this end, for this purpose, with that aim in mindà seule fin de with the sole aim of, (simply) for the sake of, purely in order toarriver ou parvenir à ses fins to achieve one's aimà des fins personnelles for personal ou private useà des fins politiques/religieuses to political/religious endsla fin justifie les moyens (proverbe) , qui veut la fin veut les moyens (proverbe) the end justifies the means (proverbe)5. DROIT6. COMMERCE————————à la fin locution adverbiale2. (familier) [ton irrité]mais à la fin, où est-il? where on earth is it?————————à la fin de locution prépositionnelleat the end ou close ofà toutes fins utiles locution adverbiale1. [pour information]je vous signale à toutes fins utiles que... for your information, let me point out that...2. [le cas échéant] just in casedans la boîte à gants j'avais mis à toutes fins utiles une carte de France I had put a map of France in the glove compartment just in case————————en fin de locution prépositionnelleen fin de soirée/match towards the end of the evening/matchêtre en fin de liste to be ou to come at the end of the listen fin de compte locution adverbialefin de race locution adjectivalefin de siècle locution adjectivale————————sans fin locution adjectivale————————sans fin locution adverbiale
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