TOEFL을 위한 고급 어휘 - 공학 및 전자

a field of study that deals with the building, designing, developing, etc. of structures, bridges, or machines

공학

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

전자공학

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

트랜지스터

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

반도체

an electric current that flows only in one direction

직류 전류, DC

a thin board on which the circuits are printed

회로 기판, 인쇄 회로 기판

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

합선

a conductor through which electricity travels to or from an object, such as batteries

전극

the electronic potential and force whose measurement unit is volts

전압, 볼트

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

변압기, 변환기

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

송신기, 전송기

an electric device that is used to accumulate electric charge

커패시터, 축전기

to allow heat or electricity be transmitted

전도하다, 전송하다

to firmly attach or tighten something using a turning metal fastener

스크류하다, 조이다

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

볼트, 너트

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

너트, 링

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

톱니, 톱니바퀴

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

다이오드

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

퓨즈, 안전장치

a machine that produces electricity by converting mechanical energy into electrical energy

발전기, 전기 발전기

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

크랭크, 크랭크 기구

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

샤프트, 축

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

온도 조절기, 서모스탯

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

안전 밸브, 세이프티 밸브

an area of technology that is concerned with the study or use of robots

로보틱스

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

릴레이

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

오실레이터

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

절연체

a device that converts the energy of the sun into electricity

태양 전지, 포토볼타익 셀

the rotating part of a machine that revolves around a stationary part

로터

to provide new electrical wiring for a building or machine

다시 배선하다, 재배선하다

an electric current that reverses direction periodically, typically used in power distribution systems due to its efficiency in long-distance transmission

교류 전류, 교차 전류