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TOEFL のための上級語彙 - 工学と電子工学
ここでは、TOEFL試験に必要な「トランジスタ」、「電極」、「電圧」などの工学と電子工学に関するいくつかの英語の単語を学びます。
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a field of study that deals with the building, designing, developing, etc. of structures, bridges, or machines
工学
the branch of physics and electrical engineering that focuses on designing circuits that use transistors and microchips
電子工学
a small semiconductor device, used in television and radio sets, able to amplify or rectify an electric current
トランジスタ, トランジスタ
a solid substance that conducts electricity or heat better than insulators, but not as well as most metals
半導体, セミコンダクター
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
短絡, ショート
a conductor through which electricity travels to or from an object, such as batteries
電極, 電気伝導体
total potential energy provided by a power source
電圧, ボルテージ
an electric device that is used to increase or decrease the voltage of an alternating current
変圧器, 電圧変換器
a piece of electronic equipment used for sending electromagnetic waves carrying radio or television signals
送信機, トランスミッター
to allow heat or electricity be transmitted
伝導する, 伝える
to firmly attach or tighten something using a turning metal fastener
ねじで固定する, 締める
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
ボルト, ねじ
a flat piece of metal with a hole in the middle through which a bolt is put to secure or fasten objects together
ナット, ボルト
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
歯車, コグ
an electronic device with two terminals, typically allowing the flow of current in one direction only
ダイオード, 2端子の電子部品
an electrical device that is used to stop or control the flow of current in a circuit in case it is too strong
ヒューズ, 安全ヒューズ
a machine that produces electricity by converting mechanical energy into electrical energy
発電機, オルタネーター
a device that allows movement between mechanical parts of a machine or converts backward and forward motion into circular movement
クランク, クランクシャフト
a metal bar in an engine that enables movement and power to be transmitted from one part to another
シャフト, 軸
an instrument that automatically controls the temperature of a room, machine, etc.
サーモスタット
a device that allows steam, liquid, etc. to escape a machine, if the pressure inside the machine becomes too high
安全弁, 逃がし弁
an electronic device that uses a small electrical current to control a larger current, acting like an automatic switch
リレー, 自動スイッチ
a piece of equipment for generating oscillating electric currents or voltages by non-mechanical means
発振器, オシレーター
a substance that doesn't conduct heat, sound, etc.
絶縁体, 断熱材
a device that converts the energy of the sun into electricity
太陽電池, 光起電力セル
to replace or install new electrical wiring in something, like a building or a machine
配線をやり直す, 新しい電気配線を設置する
an electric current that reverses direction periodically, typically used in power distribution systems due to its efficiency in long-distance transmission
交流電流, AC
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