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Engineering and Electronics

Advanced Vocabulary for TOEFL / Engineering and Electronics

Engineering and Electronics

32 Words

16m

1
engineer
en
gi
neer
Noun

a person who designs, fixes, or builds roads, machines, bridges, etc.

An engineer's job is to apply scientific principles to solve engineering challenges.

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2
electronics
e
lect
ro
nics
Noun

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

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3
transistor
tran
sis
tor
Noun

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

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4
semiconductor
se
mi
con
duc
tor
Noun

a conductor made with semiconducting material

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5
dc
Noun

the district occupied entirely by the city of Washington; chosen by George Washington as the site of the capital of the United States and created out of land ceded by Maryland and Virginia

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6
circuit board
circuit board
Noun

a thin board on which the circuits are printed

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7
short circuit
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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8
electrode
e
lect
rode
Noun

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

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9
voltage
vol
tage
Noun

total potential energy provided by a power source

This power outlet delivers 120V, but your device needs 240V.

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10
transformer
trans
for
mer
Noun

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

The electrical engineer installed a transformer to step down the high voltage from the power lines to a safer level for residential use.

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11
transmitter
trans
mi
tter
Noun

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

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12
capacitor
ca
pa
ci
tor
Noun

an electric device that is used to accumulate electric charge

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13
conduct
con
duct
Verb

to direct or participate in the management, organization, or execution of something

The experienced project manager will conduct the team in implementing the new software.

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14
screw
screw
Noun

a small pointy piece of metal that can be fasten into wooden or metal objects using a screwdriver to hold things together

He used a screwdriver to tighten the screws holding the shelves to the wall.

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15
bolt
bolt
Noun

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

I need to tighten the bolt on the bicycle wheel.

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16
nut
nut
Noun

a small fruit with a seed inside a hard shell that grows on some trees

Almonds are a type of nut that's high in healthy fats and protein.

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17
cog
cog
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

The cog in the gear system meshed perfectly with its neighboring cogs, ensuring smooth and efficient power transmission.

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18
diode
diode
Noun

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

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19
fuse
fuse
Noun

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

The fuse blew when too many appliances were plugged in.

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20
generator
ge
ne
ra
tor
Noun

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

The hydroelectric generator harnesses the power of flowing water to produce electricity for nearby communities.

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21
crank
crank
Noun

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

The engineer used a crank to manually adjust the height of the lifting mechanism.

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22
shaft
shaft
Noun

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

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23
thermostat
thermostat
Noun

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

The thermostat regulates the temperature in the house, ensuring comfort and energy efficiency.

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24
safety valve
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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25
robotics
ro
bo
tics
Noun

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

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26
relay
re
lay
Verb

to pass on information or messages from one place or person to another

The receptionist relayed the important message to the manager as soon as it came in.

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27
osc
i
lla
tor
Noun

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

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28
insulator
in
su
la
tor
Noun

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

The walls were lined with an insulator to keep the room warm.

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29
solar cell
Noun

a device that converts the energy of the sun into electricity

A solar cell, also known as a photovoltaic cell, converts sunlight directly into electricity.

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30
rotor
ro
tor
Noun

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

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31
rewire
re
wire
Verb

to replace or install new electrical wiring in something, like a building or a machine

The old house was unsafe, so the electricians had to completely rewire it.

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32
alternating current
Noun

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

ChatGPT Homes and businesses receive electrical power through alternating current supplied by the grid.

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