Englishfor English speakers
billion
Determiner
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(ordinal billionth) The number 1,000,000,000 (or 1,000,000,000,000 in old British usage).
In 2006, China had about 1.3 billion people.
billion
Noun
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The number 1,000,000,000 (or 1,000,000,000,000 in old British usage).
Billions of dollars have been spent on the war in Iraq.
dollar
Noun
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The dollar is the main unit of money in the United States, Canada, and other countries including Australia, the Bahamas, Barbados, Belize, Bermuda, Fiji, Guyana, Hong Kong, Jamaica, Liberia, New Zealand, Singapore, the Solomon Islands, Trinidad and Tobago, and Zimbabwe. It is usually equal to 100 cents.
congress
Noun
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A congress is a formal meeting that is held to discuss or decide on a specific question.
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(often capitalized: Congress) A Congress is a legislative body of a state.