-
41 lightning
(a flash of electricity between clouds or from a cloud to earth during a storm, usually followed by thunder: The house was struck by lightning.) raio* * *light.ning[l'aitniŋ] n relâmpago, raio. • vi descarregar raios, relampejar. • adj rápido, de surpresa. -
42 live wire
1) (a wire charged with electricity.) fio vivo2) (a person who is full of energy and enthusiasm: He is very quiet, but his sister is a real live wire.) azougue* * *live wire[laiv w'aiə] n 1 circuito elétrico. 2 coll pessoa enérgica, empreendedor.————————live wirea) Electr condutor sob tensão. b) sl valentão. -
43 machine
[mə'ʃi:n] 1. noun1) (a working arrangement of wheels, levers or other parts, driven eg by human power, electricity etc, or operating electronically, producing power and/or motion for a particular purpose: a sewing-machine.) máquina2) (a vehicle, especially a motorbike: That's a fine machine you have!) máquina2. verb1) (to shape, make or finish with a power-driven tool: The articles are machined to a smooth finish.) fazer à máquina2) (to sew with a sewing-machine: You should machine the seams.) costurar•- machinist
- machine-gun 3. verbHe machine-gunned a crowd of defenceless villagers.) metralhar* * *ma.chine[məʃ'i:n] n 1 máquina, engenho, mecanismo. 2 fig pessoa que age automaticamente. 3 Amer organização que controla poder. • vt executar trabalhos com máquinas. -
44 main
[mein] 1. adjective(chief, principal or most important: the main purpose; the main character in the story.) principal2. noun((also mains) the chief pipe or cable in a branching system of pipes or cables: The water's been turned off at the main(s); ( also adjective) the mains electricity supply.) fonte- mainly- mainland
- mainspring
- mainstream* * *[mein] n 1 força física. 2 cano ou esgoto principal, cano mestre. • adj principal, essencial. blast main conduto de ar. in the main na maior parte. Spanish Main Hist costa nordeste da América do Sul e as partes adjacentes do mar do Caribe. with might and main com toda a força. -
45 metal
['metl]noun, adjective1) ((of) any of a group of substances, usually shiny, that can conduct heat and electricity and can be hammered into shape, or drawn out in sheets, bars etc: Gold, silver and iron are all metals.) metal2) ((of) a combination of more than one of such substances: Brass is a metal made from copper and zinc.) metal•- metallic* * *met.al[m'etəl] n 1 metal. 2 liga metálica. 3 cascalho para revestir o leito de estradas. 4 vidro em estado de fusão. 5 qualidade intrínseca. cowards are not made of the same metal as heroes / covardes não são feitos do mesmo material que heróis. • vt 1 revestir de metal. 2 reparar o leito de uma estrada com cascalho. -
46 neutral
['nju:trəl] 1. adjective1) (not taking sides in a quarrel or war: A neutral country was asked to help settle the dispute.) neutro2) ((of colour) not strong or definite: Grey is a neutral colour.) neutro3) ((in electricity) neither positively nor negatively charged.) neutro2. noun1) ((a person belonging to) a nation that takes no part in a war or quarrel.) neutro2) (the position of the gear of an engine in which no power passes to the wheels etc: I put the car into neutral.) ponto morto•- neutralize
- neutralise* * *neu.tral[nj'u:trəl] n 1 nação neutra. 2 indivíduo neutral. 3 ponto neutro. • adj 1 neutral, imparcial. 2 neutro, indefinido. 3 de cor vaga. 4 Chem nem ácido, nem alcalino. 5 Electr nem positivo, nem negativo. 6 nem bom, nem mau, indeterminado. -
47 physics
['fiziks](the study of natural phenomena such as heat, light, sound, electricity, magnetism etc but not usually chemistry or biology: Physics is his main subject at university.) física* * *phys.ics[f'iziks] n pl 1 física. 2 propriedades físicas. -
48 power station
(a building where electricity is produced.) central eléctrica* * *pow.er sta.tion[p'auə steiʃən] n usina elétrica, usina geradora. -
49 power
1) ((an) ability: A witch has magic power; A cat has the power of seeing in the dark; He no longer has the power to walk.) poder2) (strength, force or energy: muscle power; water-power; ( also adjective) a power tool (=a tool operated by electricity etc. not by hand).) energia3) (authority or control: political groups fighting for power; How much power does the Queen have?; I have him in my power at last) poder4) (a right belonging to eg a person in authority: The police have the power of arrest.) poder5) (a person with great authority or influence: He is quite a power in the town.) força6) (a strong and influential country: the Western powers.) potência7) (the result obtained by multiplying a number by itself a given number of times: 2 × 2 × 2 or 23 is the third power of 2, or 2 to the power of 3.) potência•- powered- powerful
- powerfully
- powerfulness
- powerless
- powerlessness
- power cut
- failure
- power-driven
- power point
- power station
- be in power* * *pow.er[p'auə] n 1 poder: a) faculdade, capacidade. b) autoridade, controle, comando. c) governo. d) influência, ascendência. e) recurso, capacidade. f) força, vigor. g) Jur direito, capacidade. 2 potência: a) capacidade de trabalho de uma máquina, aparelho, motor, etc. b) Phys rateio da transformação de energia. c) Math produto de fatores iguais. d) nação poderosa. 3 força mecânica ou elétrica. 4 Med eficácia, eficiência. 5 coll grande quantidade, abundância. 6 Opt capacidade de aumento de uma lente, alcance. 7 arch força militar ou naval. 8 powers potestades. 9 energia elétrica. • vt equipar com meio de propulsão mecânica, prover de energia. • adj força. effective power potência efetiva. electric power força elétrica. in power no poder, no governo. power of attorney Jur procuração. power of conversation dom da conversação. reasoning power capacidade de raciocínio. square power segunda potência. the powers of evil as forças do mal. they came into power eles se apossaram do poder. they will do all in their power farão tudo que estiver ao seu alcance. to raise into the 2nd power elevar à segunda potência. -
50 powered
adjective (supplied with mechanical power: The machine is powered by electricity; an electrically-powered machine.) movido por* * *pow.ered[p'auəd] adj 1 equipado com motor. 2 capaz de produzir força. -
51 quarter
['kwo:tə] 1. noun1) (one of four equal parts of something which together form the whole (amount) of the thing: There are four of us, so we'll cut the cake into quarters; It's (a) quarter past / (American) after four; In the first quarter of the year his firm made a profit; The shop is about a quarter of a mile away; an hour and a quarter; two and a quarter hours.) quarto2) (in the United States and Canada, (a coin worth) twenty-five cents, the fourth part of a dollar.) moeda de vinte e cinco cêntimos3) (a district or part of a town especially where a particular group of people live: He lives in the Polish quarter of the town.) bairro4) (a direction: People were coming at me from all quarters.) direcçao5) (mercy shown to an enemy.) perdao6) (the leg of a usually large animal, or a joint of meat which includes a leg: a quarter of beef; a bull's hindquarters.) pernil7) (the shape of the moon at the end of the first and third weeks of its cycle; the first or fourth week of the cycle itself.) quarto8) (one of four equal periods of play in some games.) quarto9) (a period of study at a college etc usually 10 to 12 weeks in length.) trimestre2. verb1) (to cut into four equal parts: We'll quarter the cake and then we'll all have an equal share.) cortar aos quartos2) (to divide by four: If we each do the work at the same time, we could quarter the time it would take to finish the job.) dividir em quatro3) (to give (especially a soldier) somewhere to stay: The soldiers were quartered all over the town.) aquartelar•3. adverb(once every three months: We pay our electricity bill quarterly.) trimestralmente4. noun(a magazine etc which is published once every three months.) trimestral- quarters- quarter-deck
- quarter-final
- quarter-finalist
- quartermaster
- at close quarters* * *quar.ter[kw'ɔ:tə] n 1 quarto, quarta parte, trimestre, quarto do ano, quarto da lua, quarto de hora, quarto da carcaça de um animal. 2 região ou parte da terra. 3 quarteirão. 4 quartel, alojamento de soldados e marinheiros. 5 quadrante. 6 medida de peso. 7 abrigo, quartel, refúgio, acolhida. 8 piedade, clemência. 9 moeda nos EUA ou Canadá que vale 25 centavos ou um quarto de dólar. 10 área de uma cidade onde um certo grupo de pessoas mora ou trabalha ou que tem características peculiares. • vt+vi 1 esquartejar. 2 aquartelar. 3 Her esquartelar. 4 repartir em quatro partes iguais. a quarter past six seis horas e quinze minutos. a quarter to three quinze para as três. at close quarters muito perto. hind quarter ancas, quarto traseiro. in this quarter nesta parte. quarters of a ship alhetas. to change quarter mudar-se. -
52 reactor
noun ((also nuclear reactor) an apparatus in which nuclear energy is produced which can be used as a source of power, eg when converted into electricity.) reactor* * *re.ac.tor[ri'æktə] n Nucl Phys reator. -
53 static
1. adjective(still; not moving.) estático2. noun(atmospheric disturbances causing poor reception of radio or television programmes.) estática- static electricity- static* * *stat.ic[st'ætik] n 1 eletricidade atmosférica. 2 estática. • adj 1 estático, parado, imóvel. 2 estável, firme, imutável, fixo. 3 Electr eletrostático. -
54 stove
[stəuv](an apparatus using coal, gas, electricity or other fuel, used for cooking, or for heating a room: a gas/electric (cooking) stove; Put the saucepan on the stove.) fogão* * *stove1[stouv] n forno, fogão, estufa, fornalha.————————stove2[stouv] vt+vi ps, pp of stave. stove in Amer coll embriagado. -
55 telegraph
1. noun1) (a system of sending messages using either wires and electricity or radio: Send it by telegraph.) telégrafo2) (an instrument for this: Send the message on the telegraph.) telégrafo2. verb1) (to send by telegraph: He telegraphed the time of his arrival.) telegrafar2) (to inform by telegraph: He telegraphed us to say when he would arrive.) telegrafar•- telegraphy
- telegraphic
- telegraph pole* * *tel.e.graph[t'eligra:f; t'eligræf] n telégrafo. • vt 1 telegrafar, sinalizar. 2 revelar (sem querer) intenção, decisão. -
56 unplug
past tense, past participle - unplugged; verb1) (to take the plug out of.) destampar2) (to disconnect from the electricity supply: He unplugged the television.) desligar* * *un.plug[∧npl'∧g] vt 1 desligar, desconectar. 2 desarrolhar, destampar. -
57 use
I [ju:z] verb1) (to employ (something) for a purpose: What did you use to open the can?; Use your common sense!) usar2) (to consume: We're using far too much electricity.) usar•- usable- used
- user
- user-friendly
- user guide
- be used to something
- be used to
- used to II [ju:s]1) (the act of using or state of being used: The use of force to persuade workers to join a strike cannot be justified; This telephone number is for use in emergencies.) uso2) (the/a purpose for which something may be used: This little knife has plenty of uses; I have no further use for these clothes.) uso3) ((often in questions or with negatives) value or advantage: Is this coat (of) any use to you?; It's no use offering to help when it's too late.) uso4) (the power of using: She lost the use of her right arm as a result of the accident.) uso5) (permission, or the right, to use: They let us have the use of their car while they were away.) uso•- useful- usefulness
- usefully
- useless
- be in use
- out of use
- come in useful
- have no use for
- it's no use
- make good use of
- make use of
- put to good use
- put to use* * *[ju:s] n 1 uso. he made use of this book / ele fez uso deste livro. 2 prática. 3 praxe, usança, hábito, costume. 4 ritual. 5 aplicação, emprego. 6 função, serventia. we have no use for it / não usamos isso, não é de proveito para nós. 7 utilidade, finalidade. there is no use in ringing up, it is no use to ring up / não adianta telefonar, é inútil telefonar. she was of some use in laying the table / ela se mostrou útil, pondo a mesa. 8 modo de usar. 9 necessidade. it is of no use to shout/gritar aqui não adianta nada. 10 tratamento, trato. 11 vantagem, proveito. 12. usufruto. • [ju:z] vt+vi 1 usar. I used it for a journey / usei-o, gastei-o para uma viagem. 2 praticar. 3 habituar, acostumar, costumar. 4 aproveitar(-se), servir(-se), utilizar(-se), explorar. they used him badly / trataram-no mal. 5 gastar, consumir, esgotar. 6 aplicar, empregar. 7 manusear. 8 tratar. for rough use para serviço pesado. for use para uso. in use em uso, usual, de praxe. to be used to... estar acostumado a... to use up gastar, esgotar. used to... costumava... I used to go on Sundays / eu costumava ir aos domingos. he used not to like fish / ele não gostava de peixe (mas agora gosta). didn’t she use to live in the country? / ela não morava no campo? you didn’t use to smoke / você não costumava fumar. -
58 utility
[ju'tiləti]plural - utilities; noun1) (usefulness: Some kitchen gadgets have only a limited utility.) utilidade2) (a useful public service, eg the supply of water, gas, electricity etc.) serviço público•* * *u.til.i.ty[ju:t'iliti] n 1 utilidade. 2 coisa útil. 3 vantagem, proveito ( for para). 4 empresa de serviço público. -
59 volt
[vəult]((often abbreviated to V) the unit used in measuring the force driving electricity through a circuit, or the strength of an electric current.) volte- voltage* * *volt1[voult] n 1 volteio (de cavalo). 2 movimento para evitar um golpe (em esgrima).————————volt2[voult] n Electr volt = link=volt-amp%C3%A8revolt-ampère. (volt ampère): unidade de medida de corrente elétrica. -
60 weld
[weld] 1. verb(to join (pieces of metal) by pressure, often using heat, electricity etc.) soldar2. noun(a joint made by welding.) soldadura- welder* * *weld1[weld] n 1 solda, soldadura. 2 caldeamento. • vt+vi 1 soldar. 2 caldear. 3 ser soldado ou soldável. 4 fig unir, ajuntar, consolidar.————————weld2[weld] n Bot lírio-dos-tintureiros.
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