Vocabulário Avançado para o TOEFL - Engenharia e Eletrônica
Aqui você aprenderá algumas palavras em inglês sobre engenharia e eletrônica, como "transistor", "eletrodo", "tensão" etc., necessárias para o exame TOEFL.
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a field of study that deals with the building, designing, developing, etc. of structures, bridges, or machines

engenharia, engenheiros
the branch of physics and electrical engineering that focuses on designing circuits that use transistors and microchips

eletrônica, electrônica
a small semiconductor device, used in television and radio sets, able to amplify or rectify an electric current

transistor, transistor semicondutor
a solid substance that conducts electricity or heat better than insulators, but not as well as most metals

semicondutor, substância semicondutora
an electric current that flows only in one direction

corrente contínua, corrente unidirecional
a thin board on which the circuits are printed

placa de circuito, placa de circuito impresso
a failure in a circuit caused when the electricity flows in the wrong route due to wire damage or fault in the connections of wires

curto-circuito, curto-circuito elétrico
a conductor through which electricity travels to or from an object, such as batteries

elétron, eletrodo
the electronic potential and force whose measurement unit is volts

tensão, voltagem
an electric device that is used to increase or decrease the voltage of an alternating current

transformador, transformador elétrico
a piece of electronic equipment used for sending electromagnetic waves carrying radio or television signals

transmissor, emissor
an electric device that is used to accumulate electric charge

capacitor, condensador
to allow heat or electricity be transmitted

conduzir, transmitir
to firmly attach or tighten something using a turning metal fastener

aparafusar, fixar
a piece of metal like a thick nail without a point that used to secure assembled parts by passing through holes and tightening with a nut

taco, parafuso
a flat piece of metal with a hole in the middle through which a bolt is put to secure or fasten objects together

porca, moeda
a wheel with a set of square or triangular teeth sticking out around the edge that fits into the edge of a similar wheel, causing both wheels to turn

dente de engrenagem, cog
an electronic device with two terminals, typically allowing the flow of current in one direction only

diodo, diodo eletrônico
an electrical device that is used to stop or control the flow of current in a circuit in case it is too strong

fusível, fusão eléctrica
a machine that produces electricity by converting mechanical energy into electrical energy

gerador, gerador elétrico
a device that allows movement between mechanical parts of a machine or converts backward and forward motion into circular movement

manivela, crank
a metal bar in an engine that enables movement and power to be transmitted from one part to another

eixo, shafts
an instrument that automatically controls the temperature of a room, machine, etc.

termóstato, termostato
a device that allows steam, liquid, etc. to escape a machine, if the pressure inside the machine becomes too high

válvula de segurança, válvula de alívio
an area of technology that is concerned with the study or use of robots

robótica, tecnologia de robôs
an electronic device that uses a small electrical current to control a larger current, acting like an automatic switch

relé, comutador
a piece of equipment for generating oscillating electric currents or voltages by non-mechanical means

oscilador, oscilante
a substance that doesn't conduct heat, sound, etc.

isolante, material isolante
a device that converts the energy of the sun into electricity

célula solar, painel solar
the rotating part of a machine that revolves around a stationary part

rotor, hélice
to replace or install new electrical wiring in something, like a building or a machine
an electric current that reverses direction periodically, typically used in power distribution systems due to its efficiency in long-distance transmission

corrente alternada, corrente elétrica alternada
