Englishfor English speakers
Gibbs
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noun
United States chemist (1839-1903)
free
Adjective
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If something is free, it does not cost money to buy.
This loaf of bread is free. It costs $0.
The government provides free healthcare for people who cannot afford it.
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If something is free, it is able to go (move) anywhere easily.
A wild bird is free to go where it likes.
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If something is free, it is not blocked.
The drain was free of anything blocking it.
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If something or someone is free, it is not in use.
This chair does not have anyone sitting in it. It is free.
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When something is free, it has no conditions or limitations to using or being in it.
This is a free country. You can have your own freedom of speech here.
free
Verb
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If you free something or someone, you release it.
She frees the birds because they do not belong in a cage.
We officially free you from jail. You may go.
enthalpy
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noun
(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure
enthalpy is the amount of energy in a system capable of doing mechanical work