Chiefly British The cardinal number equal to 1012. (noun)
An indefinitely large number. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "billion" in a sentence
"Mega projects involve billion$ and as we learned in the Mulroney-Schreiber exposé, billion dollar projects involve big commissions and not all of those commissions are above board."
"Right you are, but in the meantime we are giving Fisker half a $billion, Tesla about that much, and GM about $8 billion to play this con game."
"Canrane: Cutting the court challenges program (at a grand total of 300 million, or something like that) because we need to tighten our purse strings...yet we somehow have money for 20+ billion (*billion*) for military spending."