Definition of Billion

Noun: billion  bil-yun [N. Amer], bi-lee-(y)un [Brit]

1. The number that is represented as a one followed by 9 zeros
   - one thousand million, 1000000000
    
2. [Brit, archaic] The number that is represented as a one followed by 12 zeros; in the United Kingdom the usage followed is frequently seen
   - one million million [Brit], 1000000000000 [Brit]
    
3. A very large indefinite number (usually hyperbole)
   "there were billions of flies";
   - million, trillion, zillion, jillion, gazillion, squillion, bazillion [N. Amer]

Adjective: billion  bil-yun [N. Amer], bi-lee-(y)un [Brit]

1. Denoting a quantity consisting of one thousand million items or units
    
2. [Brit, archaic] Denoting a quantity consisting of one million million items or units

See also:
billingsgates
billionaire

Anagrams containing the word billion

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