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1 acid
['æsid] 1. adjective1) ((of taste) sharp or sour: Lemons and limes are acid fruits.) ácido2) (sarcastic: acid humour.) sarcástico2. noun(a substance, containing hydrogen, which will dissolve metals etc: She spilled some acid which burned a hole in her dress.) ácido- acidity* * *ac.id['æsid] n 1 ácido. 2 LSD. • adj ácido, azedo, acre, ardente. acrinic acid ácido acrínico. hydrochloric acid ácido clorídrico ou muriático. -
2 acid
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3 burn
[bə:n] 1. past tense, past participles - burned, burnt; verb1) (to destroy, damage or injure by fire, heat, acid etc: The fire burned all my papers; I've burnt the meat.) queimar2) (to use as fuel.) queimar3) (to make (a hole etc) by fire, heat, acid etc: The acid burned a hole in my dress.) queimar4) (to catch fire: Paper burns easily.) arder2. noun(an injury or mark caused by fire etc: His burns will take a long time to heal; a burn in the carpet.) queimadura- burner* * *[bə:n] n 1 queimadura. 2 local queimado. 3 queima, queimação. 4 queimada. • vt+vi (ps and pp burnt or burned) 1 queimar: a) estar muito quente, estar em chamas, estar incandescente, arder. b) acender, pôr fogo. c) destruir pelo fogo. d) marcar com ferro, cauterizar, consumir pelo fogo, calor ou ácido. e) fazer com fogo ou instrumento quente. f) dar sensação de calor a. g) iluminar, clarear (lâmpada). h) bronzear. i) incinerar. j) ustular, calcinar. k) cozer, fazer por meio de calor (tijolos). l) produzir queimaduras. m) crestar (plantas). n) sl desperdiçar, dissipar, esbanjar. o) consumir-se no fogo ou na fogueira. 2 estar inflamado por paixão. 3 estar excitado ou ansioso. 4 Chem passar por combustão. 5 sl ser eletrocutado. he burns the midnight oil ele trabalha até altas horas da noite. he burnt his boats ele rompeu com o passado. he burnt up ele ardeu de cólera. he has money to burn sl ele tem dinheiro à beça. he was burnt to death or he was burnt alive ele foi queimado vivo. it was burnt into my mind foi gravado na minha memória. my ears burn minhas orelhas estão zunindo. the building burnt out o prédio foi destruído no incêndio. the house was burnt down a casa queimou (até os alicerces). the money burns a hole in his pocket ele não sabe guardar dinheiro. to burn away destruir, consumir pelo fogo. to burn in cauterizar, ferretear, tornar indelével pela ação do fogo ou de ácidos. to burn off remover tinta por meio de chama de maçarico ou ferro quente. to burn one’s fingers a) queimar os dedos. b) fig receber o castigo por meter-se em coisas alheias. to burn out extinguir, apagar o fogo. to burn up destruir, desfazer-se de alguma coisa pelo fogo. he burnt up the refuse / ele queimou o lixo. you are burning daylight fig você está deitando água no mar. you must not burn the candle at both ends fig você não deve se esforçar demais ou desperdiçar as forças. -
4 burn
[bə:n] 1. past tense, past participles - burned, burnt; verb1) (to destroy, damage or injure by fire, heat, acid etc: The fire burned all my papers; I've burnt the meat.) queimar2) (to use as fuel.) queimar3) (to make (a hole etc) by fire, heat, acid etc: The acid burned a hole in my dress.) queimar4) (to catch fire: Paper burns easily.) queimar2. noun(an injury or mark caused by fire etc: His burns will take a long time to heal; a burn in the carpet.) queimadura- burner -
5 contact
['kontækt] 1. noun1) (physical touch or nearness: Her hands came into contact with acid; Has she been in contact with measles?) contacto2) (communication: I've lost contact with all my old friends; We have succeeded in making (radio) contact with the ship; How can I get in contact with him?) contacto3) (a person with influence, knowledge etc which might be useful: I made several good contacts in London.) contacto4) ((a place where) a wire etc carrying electric current (may be attached): the contacts on the battery.) contacto5) (a person who has been near someone with an infectious disease: We must trace all known contacts of the cholera victim.) contacto6) (a person or thing that provides a means of communicating with someone: His radio is his only contact with the outside world.) contacto2. verb(to get in touch with in order to give or share information etc: I'll contact you by telephone.) contactar* * *con.tact[k'ɔntækt] n 1 contato (também Math, Electr), toque. 2 ligação, conexão. 3 relação, comunicação. • vt+vi 1 entrar ou pôr em contato com. 2 comunicar-se com. 3 tocar(-se). • adj Amer que envolve contato. angle of contact Geom ângulo de contato. in contact em contato. point of contact Math ponto de contato. to break contact romper o contato. to make contact with estabelecer contato com. -
6 contact
['kontækt] 1. noun1) (physical touch or nearness: Her hands came into contact with acid; Has she been in contact with measles?) contato2) (communication: I've lost contact with all my old friends; We have succeeded in making (radio) contact with the ship; How can I get in contact with him?) contato3) (a person with influence, knowledge etc which might be useful: I made several good contacts in London.) contato4) ((a place where) a wire etc carrying electric current (may be attached): the contacts on the battery.) contato5) (a person who has been near someone with an infectious disease: We must trace all known contacts of the cholera victim.) contato6) (a person or thing that provides a means of communicating with someone: His radio is his only contact with the outside world.) contato2. verb(to get in touch with in order to give or share information etc: I'll contact you by telephone.) contatar -
7 bitter
['bitə]1) (having a sharp, acid taste like lemons etc, and sometimes unpleasant: a bitter orange.) amargo2) (full of pain or sorrow: She learned from bitter experience; bitter disappointment.) amargo3) (hostile: full of hatred or opposition: bitter enemies.) hostil4) (very cold: a bitter wind.) gelado•- bitterly
- bitumen
- bituminous* * *bit.ter1[b'itə] n 1 sabor amargo, amargura, amargor. 2 medicamento amargo, pílula amarga. 3 cerveja amarga. • vt amargar, tornar amargo, ficar amargo. • adj 1 amargo, acre. 2 doloroso, triste, penoso. he is bitter / ele está triste. 3 cáustico, áspero, mordaz. 4 severo, agudo, dolorido. 5 pungente, penetrante. 6 cruel, implacável. bitter enemy / inimigo implacável. to the bitter end até o amargo fim, até a morte. we must take the bitter with the sweet temos de aceitar as coisas como são.————————bit.ter2[b'itə] n Naut volta de abita. the bitter end / ponta do cabo depois da abita. -
8 dilute
1. verb(to lessen the strength etc of by mixing especially with water: You are supposed to dilute that lime juice with water.) diluir2. adjective(reduced in strength; weak: dilute acid.) diluído- dilution* * *di.lute[dail'u:t] vt+vi diluir, diminuir a concentração de um líquido, misturar com água, dissolver, enfraquecer, abrandar. • adj diluído, diluto, fraco. -
9 etch
[e ](to make (designs) on metal, glass etc using an acid to eat out the lines.) gravar* * *[et8] vt+vi 1 gravar com água-forte. 2 causticar. -
10 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.) reacção2) (a change of opinions, feelings etc (usually against someone or something): The new government was popular at first, but then a reaction began.) reacção3) (a process of change which occurs when two or more substances are put together: (a) nuclear reaction; a chemical reaction between iron and acid.) reacção* * *re.ac.tion[ri'ækʃən] n 1 reação (freqüentemente usado em substituição às palavras: opinion, attitude, response, feeling), resposta. 2 Chem reação, combinação. 3 Psych resposta orgânica a um estímulo. reaction coupling acoplamento por reação. -
11 bitter
['bitə]1) (having a sharp, acid taste like lemons etc, and sometimes unpleasant: a bitter orange.) amargo2) (full of pain or sorrow: She learned from bitter experience; bitter disappointment.) amargo3) (hostile: full of hatred or opposition: bitter enemies.) acérrimo4) (very cold: a bitter wind.) gelado•- bitterly - bitumen - bituminous -
12 dilute
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13 etch
[e ](to make (designs) on metal, glass etc using an acid to eat out the lines.) gravar com água-forte -
14 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.) reação2) (a change of opinions, feelings etc (usually against someone or something): The new government was popular at first, but then a reaction began.) reação3) (a process of change which occurs when two or more substances are put together: (a) nuclear reaction; a chemical reaction between iron and acid.) reação
См. также в других словарях:
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