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TOEFL のための上級語彙 - エンジニアリングとエレクトロニクス

TOEFL試験に必要な「トランジスタ」「電極」「電圧」などの工学・エレクトロニクスに関する英単語を学びます。

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Advanced Words Needed for TOEFL
engineering

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

工学

工学

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[名詞]
electronics

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

電子工学

電子工学

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[名詞]
transistor

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

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[名詞]
semiconductor

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

半導体

半導体

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[名詞]
dc

an electric current that flows only in one direction

直流電流

直流電流

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[名詞]
circuit board

a thin board on which the circuits are printed

回路基板

回路基板

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[名詞]
short circuit

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

ショートサーキット

ショートサーキット

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[名詞]
electrode

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

電極

電極

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[名詞]
voltage

the electronic potential and force whose measurement unit is volts

電圧

電圧

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[名詞]
transformer

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

変圧器

変圧器

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[名詞]
transmitter

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

送信機

送信機

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[名詞]
capacitor

an electric device that is used to accumulate electric charge

コンデンサー

コンデンサー

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[名詞]
to conduct

to allow heat or electricity be transmitted

伝導する

伝導する

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[動詞]
to screw

to firmly attach or tighten something using a turning metal fastener

ねじ込む

ねじ込む

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[動詞]
bolt

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

ボルト

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[名詞]
nut

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

ナット

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[名詞]
cog

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

歯車

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[名詞]
diode

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

ダイオード

ダイオード

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[名詞]
fuse

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

ヒューズ

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[名詞]
generator

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

発電機

発電機

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[名詞]
crank

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

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[名詞]
shaft

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

シャフト

シャフト

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[名詞]
thermostat

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

サーモスタット

サーモスタット

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[名詞]
safety valve

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

安全弁

安全弁

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[名詞]
robotics

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

ロボティクス

ロボティクス

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[名詞]
relay

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

リレー

リレー

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[名詞]
oscillator

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

オシレーター

オシレーター

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[名詞]
insulator

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

絶縁体

絶縁体

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[名詞]
solar cell

a device that converts the energy of the sun into electricity

太陽電池

太陽電池

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[名詞]
rotor

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

ローター

ローター

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[名詞]
to rewire

to provide new electrical wiring for a building or machine

再配線する

再配線する

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[動詞]
alternating current

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

交流電流

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[名詞]
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