Englishfor English speakers
appreciate
Verb
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If you appreciate something, you feel thankful for it.
Thanks so much for your help! I really appreciate the gift.
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If something appreciates, its value increases.
It is amazing how much the value of my house has appreciated. Hopefully, it will continue to increase, as I am thinking of selling it in five to ten years.
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.
currency
Noun
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A currency is the money from a particular country.
A person going abroad can obtain foreign currency notes and travellers' cheques from his own bank.
The US dollar ended lower against most other currencies in London.
Since then the exchange value of the currency has fallen by 78%.
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If something has currency, it is generally accepted.
After the war, these new ideas began to gain currency.
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The state of being up to date.
A book's bibliography can be a good indicator of currency in the text.