Billion meaning

What does “billion” mean? Definitions, examples, synonyms and opposites.

“billion” is a noun and adjective with 5 meanings. Its most common meaning is: the number that is represented as a one followed by 12 zeros; in the United Kingdom the usage followed in the United States is frequently seen.

billion

noun

  1. the number that is represented as a one followed by 12 zeros; in the United Kingdom the usage followed in the United States is frequently seen

  2. a very large indefinite number (usually hyperbole)

    “there were millions of flies”

  3. the number that is represented as a one followed by 9 zeros

adjective

  1. denoting a quantity consisting of one thousand million items or units in the United States

  2. denoting a quantity consisting of one million million items or units in Great Britain

Source: WordNet 3.1, Princeton University