billionfold

English

English numbers ^(edit)

←  1,000,000 (106)		1,000,000,000 (109)	1012  → [a], [b]	1015  → [a], [b]
Cardinal: billion, milliard, thousand million     Ordinal: billionth, milliardth, thousand-millionth     Multiplier: billionfold, milliardfold, thousand-millionfold     Metric collective prefix: giga-     Metric fractional prefix: nano-     Number of years: giga-annum, gigayear

English numbers ^(edit)

←  1,000,000 (106)	[a], [b], [c] ←  1,000,000,000 (109)	1012	1015  → [a], [b]	1018  → [a], [b]
Cardinal: trillion, billion     Ordinal: trillionth, billionth     Multiplier: trillionfold, billionfold     Metric collective prefix: tera-     Metric fractional prefix: pico-

Etymology

From billion +‎ -fold.

Adjective

billionfold (not comparable)

1. A billion times so

   a billionfold dilution

   a billionfold increase

Adverb

billionfold (not comparable)

1. In a billionfold way; by a billion degrees; on a scale of a billion

   multiply something a billionfold

   magnify something a billionfold

   it is a billionfold heavier than something else

Usage notes

Both the adjective and the adverb are often used as hyperbole, indicating not literally a billion, but rather some vague inestimable large number or amount.