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engineering
/ˈendʒəˈnɪrɪŋ/
noun
a field of study that deals with the building, designing, developing, etc. of structures, bridges, or machines
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electronics
/ˌɪˌɫɛkˈtɹɑnɪks/
noun
the branch of physics and electrical engineering that focuses on designing circuits that use transistors and microchips
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transistor
/tɹænˈzɪstɝ/
noun
a small semiconductor device, used in television and radio sets, able to amplify or rectify an electric current
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semiconductor
/ˌsɛmaɪkənˈdəktɝ/, /ˌsɛmikənˈdəktɝ/, /ˌsɛmɪkənˈdəktɝ/
noun
a solid substance that conducts electricity or heat better than insulators, but not as well as most metals
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dc
/ˌdiˈsi/
noun
an electric current that flows only in one direction
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circuit board
/sˈɜːkɪt bˈoːɹd/
noun
a thin board on which the circuits are printed
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short circuit
/ʃˈɔːɹt sˈɜːkɪt/
noun
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
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electrode
/ˌɪˈɫɛktɹoʊd/
noun
a conductor through which electricity travels to or from an object, such as batteries
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voltage
/ˈvoʊɫtədʒ/, /ˈvoʊɫtɪdʒ/
noun
the electronic potential and force whose measurement unit is volts
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transformer
/tɹænsˈfɔɹmɝ/
noun
an electric device that is used to increase or decrease the voltage of an alternating current
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transmitter
/tɹænsˈmɪtɝ/
noun
a piece of electronic equipment used for sending electromagnetic waves carrying radio or television signals
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capacitor
/kəˈpæsətɝ/
noun
an electric device that is used to accumulate electric charge
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to conduct
/ˈkɑndəkt/, /kɑnˈdəkt/
verb
to allow heat or electricity be transmitted
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to screw
/ˈskɹu/
verb
to firmly attach or tighten something using a turning metal fastener
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bolt
/ˈboʊɫt/
noun
a piece of metal like a thick nail without a point that is screwed into a nut to help fasten things together
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nut
/nʌt/
noun
a flat piece of metal with a hole in the middle through which a bolt is put, used as a fastener
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cog
/ˈkɔɡ/
noun
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
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diode
/ˈdaɪˌoʊd/
noun
an electronic device with two terminals, typically allowing the flow of current in one direction only
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fuse
/ˈfjuz/
noun
an electrical device that is used to stop or control the flow of current in a circuit in case it is too strong
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generator
/ˈdʒɛnɝˌeɪtɝ/
noun
a machine that produces electricity by converting mechanical energy into electrical energy
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crank
/ˈkɹæŋk/
noun
a device that allows movement between mechanical parts of a machine or converts backward and forward motion into circular movement
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shaft
/ˈʃæft/
noun
a metal bar in an engine that enables movement and power to be transmitted from one part to another
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thermostat
/ˈθɝməˌstæt/
noun
an instrument that automatically controls the temperature of a room, machine, etc.
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safety valve
/sˈeɪfti vˈælv/
noun
a device that allows steam, liquid, etc. to escape a machine, if the pressure inside the machine becomes too high
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robotics
/ˌɹoʊˈbɑtɪks/
noun
an area of technology that is concerned with the study or use of robots
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relay
/ˈɹiˌɫeɪ/
noun
an electrical device that typically contains an electromagnet, which is activated in response to a signal or current in one circuit to close or open another circuit
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oscillator
/ˈɑsəˌɫeɪtɝ/
noun
a piece of equipment for generating oscillating electric currents or voltages by non-mechanical means
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insulator
/ˈɪnsəˌɫeɪtɝ/
noun
a substance that doesn't conduct heat, sound, etc.
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solar cell
/sˈoʊlɚ sˈɛl/
noun
a device that converts the energy of the sun into electricity
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rotor
/ˈɹoʊtɝ/
noun
the rotating part of a machine that revolves around a stationary part
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to rewire
/ɹiˈwaɪɝ/
verb
to provide new electrical wiring for a building or machine
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alternating current
/ˈɔːltɚnˌeɪɾɪŋ kˈɜːɹənt/
noun
an electric current that reverses direction periodically, typically used in power distribution systems due to its efficiency in long-distance transmission
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