'Billion' definitions:

Definition of 'billion'

From: WordNet
adjective
Denoting a quantity consisting of one thousand million items or units in the United States
adjective
Denoting a quantity consisting of one million million items or units in Great Britain
noun
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 [syn: billion, one million million, 1000000000000]
noun
A very large indefinite number (usually hyperbole); "there were millions of flies" [syn: million, billion, trillion, zillion, jillion, gazillion]
noun
The number that is represented as a one followed by 9 zeros [syn: billion, one thousand million, 1000000000]

Definition of 'Billion'

From: GCIDE
  • Billion \Bil"lion\, n. [F. billion, arbitrarily formed fr. L. bis twice, in imitation of million a million. See Million.] According to the French and American method of numeration, a thousand millions, or 1,000,000,000; according to the English method, a million millions, or 1,000,000,000,000. See Numeration. [1913 Webster]

Definition of 'billion'

From: GCIDE
  • Milliard \Mil`liard"\ (F. m[-e]l`y[.a]r"; E. m[i^]l"l[i^]*[aum]rd), n. [F., from mille, mil, thousand, L. mille.] A thousand millions; -- usually called billion in the United States. See Billion. [1913 Webster]

Synonyms of 'billion'

From: Moby Thesaurus

Words containing 'Billion'