TOEFL IBT – Energy
Vocabulary is promordial in order to improve your TOEFL score. Remember, Preparation is the key to succeed !
This vocabulary will be useful for satisfying your curiosity, for adding to your English vocabulary, or especially for any English exams you may take. Here we will look at the most commonly used words having to do with energy, along with their French translations.
absorb |
to take up or receive by chemical or molecular action |
The liquid absorbs heat and evaporates at one end of the pipe. |
adsorber |
biofuel |
fuel, such as wood or ethanol, derived from biomass |
This new method for producing biofuel won a 2011 Earth Award. |
le biocarburant |
biomass |
organic matter, especially plant matter, that can be converted into fuel |
It is commonly made from biomass such as corn or sugarcane. |
la biomasse |
carbon |
carbon dioxide or other carbon compounds that are emitted into the atmosphere and cause rising temperatures |
The lungs may fill with fluid and carbon dioxide builds up. |
le carbone |
carbon footprint |
the amount of carbon compounds emitted into the atmosphere by the activities of an individual, a company, etc. |
She is a leader in the reduction of the carbon footprint. |
l’empreinte carbone |
chemical energy |
the energy in chemical bonds |
The plants also add some chemical energy to the fuel from biological molecules. |
l’energie chimique |
combustion |
the act or process of burning |
After the engine warms up, the combustion is more efficient. |
la combustion |
conduction |
process where energy is transferred by the movement and colliding of molecules |
Another form of cooling is caused by a process called conduction. |
la conduction |
convection |
process where energy is transferred by flow and circulation |
It seems that body heat creates a convection current around us. |
la convection |
energy |
the ability to do work or cause change |
Her energy output has to rival that of a nuclear plant. |
l’énergie |
fossil fuel |
any combustible organic material, such as oil, coal, or natural gas, derived from the remains of former life |
The company also has sold its fossil fuel plants in New England. |
le combustible fossile |
friction |
the force that resists movement between two objects |
The Teflon reduces the friction of the skin against the sock. |
la friction |
geothermal |
of or relating to the internal heat of the earth |
Geothermal energy is thermal energy generated and stored in the Earth. |
géothermal |
greenhouse effect |
an atmospheric heating phenomenon caused by the increased quantities of carbon dioxide and other gases in the air |
The gas traps solar heat within Earth’s atmosphere in a greenhouse effect. |
l’effet de serre |
hydrothermal |
noting or pertaining to the action of hot, aqueous solutions or gases within or on the surface of the earth |
The associated geothermal energy is used in numerous hydrothermal power plants. |
hydrothermal |
joule |
unit used to measure energy |
The energy required for defibrillation ranges from 240 to 720 joules. |
le joule |
kilowatt |
a unit of power, equal to 1000 watts |
One kilowatt is enough to power ten 100-watt lightbulbs. |
le kilowatt |
kinetic energy |
energy in motion |
The neutron has no initial kinetic energy since it is at rest. |
l’énergie cinétique |
natural gas |
a mixture of gaseous hydrocarbons that accumulates in porous sedimentary rocks |
Fueling systems for liquid natural gas are also much more expensive. |
le gaz naturel |
nuclear power |
power derived from nuclear energy |
The assets include 75 hydropower plants and three nuclear power plants. |
l’énergie nucléaire |
off-the-grid |
not requiring utilities such as electricity, water, etc. |
Self-sustainability is closely related to living off-the-grid. |
sans connexion |
potential energy |
stored energy or energy at rest |
The act of stretching a balloon fills it with potential energy. |
l’énergie potentielle |
power lines |
lines used for conducting electric power |
Outside, power lines sagged under the weight of glistening ice. |
les lignes électriques |
power plant |
the buildings used for the generation of power |
Mercury from power plants settles in waterways and accumulates in fish. |
la centrale électrique |
renewable energy |
any naturally occurring source of energy, such as biomass, solar, wind, tidal, wave, and hydroelectric power |
Renewable energy remains much more costly than the cheapest fossil fuel power. |
l’énergie renouvelable |
reservoir |
a natural or artificial place where water is collected and stored for use |
Reservoirs are rising because of several heavy snows in the mountains. |
le réservoir |
solar power |
heat radiation from the sun converted into electrical power |
I’m at my home, using power from my own solar power system. |
l’énergie solaire |
static electricity |
a stationary electric charge built up on an insulating material |
Put a heavy plastic mat under your chair to reduce static electricity. |
l’électricité statique |
thermal energy |
energy that comes from heat |
Solar thermal energy is harnessed by collecting direct heat from the sun. |
l’énergie thermique |
volt |
the standard unit of potential difference and electromotive force in the International System of Units (SI) |
The cash register is powered by a 12-volt battery. |
le volt |
watt |
the standard unit of power in the SI, equivalent to one joule per second |
They deliver up to 120 watts of power over four channels. |
le watt |
wind power |
power derived from wind |
In recent years, wind power and fish farming have both grown quickly. |
l’énergie éolienne |
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- TOEFL vocabulary list: all the essential words you need to know