-
1 chemical change
s.cambio químico, transmutación química. -
2 catalyst
kætəlist1) (a substance which causes or assists a chemical change in another substance without itself undergoing any permanent chemical change.) catalizador2) (someone or something that helps bring about a change.) catalizador•tr['kætəlɪst]1 catalizador nombre masculinocatalyst ['kæt̬ələst] n: catalizador mn.• catalizador s.m.'kætḷəst, 'kætəlɪstnoun catalizador m['kætǝlɪst]N (Chem) (also fig) catalizador m* * *['kætḷəst, 'kætəlɪst]noun catalizador m -
3 ferment
1. fə'ment verb1) (to (make something) go through a particular chemical change (as when yeast is added to dough in the making of bread): Grape juice must be fermented before it becomes wine.) fermentar2) (to excite or be excited: He is the kind of person to ferment trouble.) provocar
2. 'fə:ment noun(a state of excitement: The whole city was in a ferment.) agitación1 (substance) fermento2 (unrest) agitación nombre femenino1 fermentar1 fermentarferment [fər'mɛnt] v: fermentarferment ['fər.mɛnt] n1) : fermento m (en la química)2) turmoil: agitación f, conmoción fn.• fermentación s.f.• fermento (Química) s.m.v.• cocer v.• fermentar v.
I
1. fər'ment, fə'menttransitive verb (Chem, Culin) (hacer*) fermentar; \<\<trouble/unrest\>\> fomentar
2.
vi \<\<wine/beer\>\> fermentar
II 'fɜːrment, 'fɜːmentto be in ferment — estar* agitado or conmocionado
1. N['fɜːment]1) (=leaven) fermento m ; (=process) fermentación f2) (fig) (=excitement) agitación f, conmoción fin a (state of) ferment — en un estado de agitación, conmocionado
2.VT [fǝ'ment](lit) hacer fermentar; (fig) fomentar3.VI [fǝ'ment](lit) fermentar* * *
I
1. [fər'ment, fə'ment]transitive verb (Chem, Culin) (hacer*) fermentar; \<\<trouble/unrest\>\> fomentar
2.
vi \<\<wine/beer\>\> fermentar
II ['fɜːrment, 'fɜːment]to be in ferment — estar* agitado or conmocionado
-
4 fermentation
fə:men-noun (the chemical change occurring when something ferments or is fermented.) fermentacióntr[fɜːmen'teɪʃən]1 fermentación nombre femeninofermentation [.fərmən'teɪʃən, -.mɛn-] n: fermentación fn.• fermentación (ALI, QUI) s.f.'fɜːrmen'teɪʃən, ˌfɜːmen'teɪʃənmass noun fermentación f[ˌfɜːmen'teɪʃǝn]N fermentación f* * *['fɜːrmen'teɪʃən, ˌfɜːmen'teɪʃən]mass noun fermentación f -
5 reaction
- ʃən1) (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.) reacción2) (a change of opinions, feelings etc (usually against someone or something): The new government was popular at first, but then a reaction began.) reacción3) (a process of change which occurs when two or more substances are put together: (a) nuclear reaction; a chemical reaction between iron and acid.) reacciónreaction n reaccióntr[rɪ'ækʃən]1 reacción nombre femeninoreaction [ri'ækʃən] n: reacción fn.• reacción s.f.ri'ækʃəncount & mass noun reacción f[riː'ækʃǝn]what was her reaction to the news? — ¿cómo reaccionó or cuál fue su reacción frente a or ante la noticia?
1. N1) (=response) reacción fwhat was his reaction to your suggestion? — ¿cuál fue su reacción a tu sugerencia?, ¿cómo reaccionó frente a tu sugerencia?
2) reactions (=reflexes) reacciones fplhis reactions were slow because he'd been drinking — tardaba en reaccionar porque había estado bebiendo
3) (Pol) pej reacción fthe forces of reaction — las fuerzas de la reacción, las fuerzas reaccionarias
4) (Chem) reacción f2.CPDreaction time N — tiempo m de reacción
* * *[ri'ækʃən]count & mass noun reacción fwhat was her reaction to the news? — ¿cómo reaccionó or cuál fue su reacción frente a or ante la noticia?
-
6 agent
'ei‹ənt1) (a person or thing that acts: detergents and other cleaning agents.) agente2) (a person who acts for someone in business etc: our agent in London; a theatrical agent.) agente3) ((especially secret agent) a spy: an agent for the Russians.) agente•- agency- by/through the agency of
agent n agentetr['eɪʤənt]1 (gen) agente nombre masulino o femenino; (representative) representante nombre masulino o femenino; (of artist) agente nombre masulino o femenino2 (active ingredient) agente nombre masculinoagent ['eɪʤənt] n1) means: agente m, medio m, instrumento m2) representative: agente mf, representante mfn.• agente s.m.• apoderado s.m.• comisionado s.m.• consignatario s.m.• corredor, -ora s.m.,f.• delegado s.m.• diligenciero s.m.• encargado s.m.• factor s.m.• gestor s.m.• mandatario s.m.• representante s.m.,f.'eɪdʒənt1) ca) ( for person) agente mfyou're a free agent — eres libre or tienes total libertad (de hacer lo que quieras)
b) ( for company - person) agente mf, representante mf; (- firm) agencia fc) ( government officer in US) agente mf2) c ( spy) agente mf3) c u ( substance) agente m['eɪdʒǝnt]N1) (for company, sports personality, actor) agente mf, representante mf ; (Jur) apoderado(-a) m / f ; (Pol) delegado(-a) m / f ; (undercover) agente mffree 5., literary, sole III, 1.2) (US) (=station master) jefe(-a) m / f de estación3) (Chem) agente mchemical agent — agente m químico
4) (=catalyst)she has portrayed herself as an agent of change — se ha descrito a sí misma como agente or propulsora or motor del cambio
* * *['eɪdʒənt]1) ca) ( for person) agente mfyou're a free agent — eres libre or tienes total libertad (de hacer lo que quieras)
b) ( for company - person) agente mf, representante mf; (- firm) agencia fc) ( government officer in US) agente mf2) c ( spy) agente mf3) c u ( substance) agente m -
7 organic
- 'ɡæ-1) (of or concerning the organs of the body: organic diseases.) orgánico2) (of, found in, or produced by, living things: Organic compounds all contain carbon.) órganico3) ((of food) grown without the use of artificial fertilizers.) órganicoorganic adj orgánicotr[ɔː'gænɪk]1 (living) orgánico,-a2 (without chemicals) biológico,-a, ecológico,-a3 SMALLMEDICINE/SMALL formal use orgánico,-a\SMALLIDIOMATIC EXPRESSION/SMALLorganic chemistry química orgánicaorganic [ɔr'gænɪk] adj: orgánico♦ organically advadj.• orgánico, -a adj.ɔːr'gænɪk, ɔː'gænɪkadjective orgánico; < farming> ecológico; < vegetable> biológico, cultivado sin pesticidas ni fertilizantes artificiales[ɔː'ɡænɪk]ADJ1) (=living) [matter, waste] orgánico; [fertiliser] orgánico, natural2) (=not chemical) [farmer, farm, methods] ecológico; [vegetables, produce] de cultivo biológico, biológico; [meat] ecológico; [flour] integral; [wine, beer] sin sustancias artificialesorganic food — alimentos mpl biológicos, alimentos mpl de cultivo biológico
organic farming — agricultura f ecológica or biológica
organic restaurant — restaurante m de cocina natural
3) (Chem) orgánicoorganic chemistry — química f orgánica
4) frm (=natural) [growth, development, change] natural; (=united) [society, state, community] orgánico* * *[ɔːr'gænɪk, ɔː'gænɪk]
См. также в других словарях:
Chemical change — 112.198.81.178 (talk) 09:44, 14 November 2011 (UTC)bla da Chemical changes occur when objects or substances are changed or altered. In a chemical change, particles of the original materials collide with one another. Some exothermic reactions may… … Wikipedia
chemical change — noun (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved • Syn: ↑chemical process, ↑chemical action • Topics: ↑chemistry, ↑chemical science • Hypernyms: ↑ … Useful english dictionary
chemical change — noun any process in which reactants are changed into products by the breaking or creation of chemical bonds … Wiktionary
chemical change — Rearrangement of the atoms, ions, or radicals of one or more substances, resulting in the formation of new substance, often having entirely different properties. Also known as a chemical reaction … Forensic science glossary
chemical change — /kɛmɪkəl ˈtʃeɪndʒ/ (say kemikuhl chaynj) noun a change in which one or more substances are converted into other substances …
Chemical potential — Chemical potential, symbolized by μ, is a measure first described by the American engineer, chemist and mathematical physicist Josiah Willard Gibbs. It is the potential that a substance has to produce in order to alter a system.[1] In broadest… … Wikipedia
Chemical reaction — Chemical reactions redirects here. For the 2007 television episode, see Chemical Reactions (Men in Trees). A thermite reaction using iron(III) oxide. The sparks … Wikipedia
chemical industry — Introduction complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives. Although the chemical industry may be described simply as the industry that uses chemistry and… … Universalium
Chemical kinetics — Reaction rate tends to increase with concentration a phenomenon explained by collision theory. Chemical kinetics, also known as reaction kinetics, is the study of rates of chemical processes. Chemical kinetics includes investigations of how… … Wikipedia
chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements … Universalium
chemical reaction — Any chemical process in which substances are changed into different ones, with different properties, as distinct from changing position or form (phase). Chemical reactions involve the rupture or rearrangement of the bonds holding atoms together… … Universalium