Englishfor English speakers
renewable
—
adjective
capable of being renewed; replaceable
renewable energy such as solar energy is theoretically inexhaustible
—
adjective
that can be renewed or extended
a renewable lease
renewable subscriptions
energy
Noun
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Energy is the ability to do work: move, give off heat, give off light, etc.
Unlike coal or oil, atomic energy production creates little air pollution.
Higher electricity prices should help promote energy efficiency.
The amount of energy in 100g or 100ml of food is much higher for foods with a lot of sugar.
She's all full of energy and she can't sit still.
This problem has taken up most of her time and energy for over a year.
hydro
adjective
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hydroelectric
—
hydroponic
hydro
noun
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(uncountable) hydroelectric power
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(Canada, uncountable) electrical power supply; specifically, electrical power provided by a utility (as a publicly-owned one); payment or bills for this.
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(British, countable, dated) A spa.
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hydroelectric power
power
Noun
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energy, force, control. A quality that can make things happen.
His muscles have a lot of power.
The prime minister has power over the country.
Fight the power! (Meaning, "Fight authority!")
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Energy or electricity.
The city had no lights that night because there was no power.
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Power is how fast something uses energy. That is, how much work it does in a certain time.
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A special ability that someone might have.
In comic books many heroes have amazing powers.
often shows witches as having magical powers.
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A person or group of people with authority; that is a people who control things.
The mayor and the sheriff are the major powers in this town.
I like the idea, but the powers that be will not allow it.
power
Verb
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To provide power for or give power to (a mechanical or electronic device).
This CD player is powered by batteries.