a very large indefinite number (usually hyperbole); there were millions of flies
the number that is represented as a one followed by 18 zeros; in England they call a quintillion a trillion
[ Syn: one million million million ]
the number that is represented as a one followed by 12 zeros; in England they call a trillion a billion
[ Syn: one million million , 1000000000000 ]
trillion (n.)
one quintillion in Great Britain
one million million in the United States