Englishfor English speakers
restrict
Verb
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If you restrict something, you limit it.
This room is restricted to company employees. Other people may not enter.
This law restricts the freedom of businesses to set their own prices.
a
Determinative
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A is used when the following word could be any of a certain type.
Compare "A book I saw on the shelf" and "The book I gave you yesterday".
a
Noun
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A is the first letter of the alphabet.
The letter "a" comes before "b".
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In some schools, an A is a very high grade.
Ron got an A on his earth science test.
monopoly
Noun
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A monopoly is a situation where one company owns all or almost all of the market for a product or service; they have little or no business competition.