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101 preservative
[-vətiv]noun (something that preserves, especially that prevents food etc from going bad: a chemical preservative.) agent de conservation -
102 reaction
[-ʃən]1) (the act of reacting: What was his reaction to your remarks?; I get a bad reaction from penicillin; I'd like to ask you for your reactions to these suggestions.) réaction2) (a change of opinions, feelings etc (usually against someone or something): The new government was popular at first, but then a reaction began.) réaction3) (a process of change which occurs when two or more substances are put together: (a) nuclear reaction; a chemical reaction between iron and acid.) réaction -
103 synthesis
['sinƟəsis]plural - syntheses; noun((something produced through) the process of combining separate parts, eg chemical elements or substances, into a whole: Plastic is produced by synthesis; His recent book is a synthesis of several of his earlier ideas.) synthèse- synthesise - synthetic -
104 synthetic
[sin'Ɵetik]noun, adjective ((a substance) produced artificially by a chemical process: nylon and other synthetic materials / synthetics.) synthétique -
105 test-tube
noun (a glass tube closed at one end, used in chemical tests or experiments.) éprouvette -
106 treat
[tri:t] 1. verb1) (to deal with, or behave towards (a thing or person), in a certain manner: The soldiers treated me very well; The police are treating his death as a case of murder.) traiter2) (to try to cure (a person or disease, injury etc): They treated her for a broken leg.) traiter3) (to put (something) through a process: The woodwork has been treated with a new chemical.) traiter4) (to buy (a meal, present etc) for (someone): I'll treat you to lunch; She treated herself to a new hat.) offrir5) (to write or speak about; to discuss.) traiter de2. noun(something that gives pleasure, eg an arranged outing, or some special food: He took them to the theatre as a treat.) gâterie -
107 weedkiller
noun (a chemical etc used to kill weeds.) herbicide -
108 agent
agent n1 (acting for customer, artist, firm) agent m (for sb de qn) ; area/sole agent agent régional/exclusif ; to go through an agent passer par un intermédiaire ; to act as sb's agent, to act as agent for sb représenter qn ;3 (cause, means) agent m ;5 Ling agent m.to be a free agent être indépendant. -
109 behaviour
A n1 (of person, group, animal) gen comportement m (towards envers) ; ( in given set of circumstances) conduite f ; antisocial/disruptive/model behaviour comportement anti-social/perturbateur/modèle ; for good/bad behaviour pour bonne/mauvaise conduite ;2 (of substance, chemical) comportement m ;3 (of device, machine) fonctionnement m.to be on one's best behaviour bien se tenir ; try to be on your best behaviour tâchez de bien vous conduire. -
110 careful
1 ( prudent) [person, driving] prudent ; ( meticulous) [planning, preparation] minutieux/-ieuse ; [work, research, monitoring, examination] méticuleux/-euse ; this chemical/equipment needs careful handling ce produit chimique/cet appareil est à manipuler avec soin ; this matter needs careful handling cette affaire doit être conduite avec soin ; to be careful to do ou about doing faire attention de faire ; to be careful that faire attention que (+ subj), faire en sorte que (+ subj) ; to be careful of sth faire attention à qch ; to be careful with sth faire attention à qch ; to be careful (when) doing faire attention en faisant ; to be careful how/where faire attention comment/où ; to be careful what one says faire attention à ce qu'on dit ; ‘be careful!’ ‘(fais) attention!’ ; ‘you can't be too careful!’ ‘on n'est jamais trop prudent!’ ;2 ( thrifty) ( jamais épith) [person] prudent ; to be careful with money euph, péj faire attention à l'argent. -
111 engineering
1 (subject, science) gen ingénierie f ; civil/chemical engineering génie m civil/chimique ; to study engineering faire des études d'ingénieur ; an extraordinary feat of engineering une belle réalisation technologique ;3 ( structure) construction f mécanique. -
112 fertilizer
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113 flame retardant
A n ignifugeant m. -
114 foam
A n2 ( on animal) sueur f ;3 ( from mouth) écume f ;4 ( chemical) mousse f ;5 (made of rubber, plastic) mousse f.B vi1 ( froth) [beer, water] mousser ; [sea] se couvrir d'écume ; to foam at the mouth lit écumer ; fig écumer de rage ;2 ( sweat) [horse] suer.■ foam up [beer, lemonade] mousser. -
115 fume
fume vi1 ○ [person] fulminer, être furibond ○ ; he was fuming at the delay il était furibond ○ à cause du retard ; to fume with anger/with impatience bouillonner de colère/d'impatience ;2 [mixture, chemical] fumer. -
116 harmful
1 ( physically) [bacteria, chemical, ray] nocif/-ive ;2 ( damaging) [behaviour, gossip, allegation] nuisible (to pour). -
117 harmless
1 ( not dangerous) [chemical, virus] inoffensif/-ive (to pour) ; [growth, cyst] bénin/bénigne ; [rash, bite] sans danger ;2 ( inoffensive) [person] inoffensif/-ive ; [fun, joke, eccentricity] innocent ; he's harmless! hum il n'est pas dangereux! -
118 harsh
1 (severe, cruel) [punishment, measures] sévère ; [regime, person] dur ; [fate] cruel/-elle ; perhaps I was too harsh in my criticism j'ai peut-être été un peu dur ; to have harsh words for sb/sth critiquer qn/qch ;2 [climate, winter] rigoureux/-euse ; [conditions] difficile ;3 [light, colour] cru ;4 [voice, sound] rude ;5 [chemical, cleaner] corrosif/-ive ; [shampoo] détergent ;6 [cloth, fabric] rêche. -
119 industrial
1 ( relating to industry) [area, archeology, architecture, development, espionage, policy, sector] industriel/-ielle ; [accident, injury, medicine, safety] du travail ;2 ( active in industry) [analyst, chemist, city, nation, spy, worker] industriel/-ielle ;3 ( for use in industry) [chemical, cleaner, robot, tool] à usage industriel ; [size] industriel/-ielle. -
120 leak
A n1 ( crack) (in container, roof) fuite f ; ( in ship) voie f d'eau ; to plug/stop a leak gen boucher/arrêter une fuite ; Naut aveugler une voie d'eau ; to spring a leak [pipe, tank] se mettre à fuir ; the vessel sprang a leak une voie d'eau s'est ouverte dans le bateau ;2 ( escape) (of liquid, gas) fuite f, échappement m ; Elec ( of charge) fuite f électrique or de courant ; gas/radiation leak fuite de gaz/radioactive ;3 Journ ( disclosure) fuite f (about au sujet de) ; a press ou newspaper leak une fuite dans la presse ; a security leak une fuite de documents secrets.B vtr1 ( disclose) divulguer [information, report, document] ;C vi2 ( seep) [chemical, liquid, gas] échapper (from, out of de) ; to leak into se répandre dans [sea, soil].to take a leak ◑ aller se soulager ○.■ leak away s'écouler.■ leak in [water] s'infiltrer (through par).
См. также в других словарях:
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