English edit

English numbers (edit)
 ←  1,000 1,000,000 (106) 1,000,000,000 (109)  → [a], [b]
    Cardinal: million
    Ordinal: millionth
    Multiplier: millionfold
    Metric collective prefix: mega-
    Metric fractional prefix: micro-
    Number of years: millionennium, megannum, megayear

Etymology edit

million +‎ -fold

Adjective edit

millionfold (not comparable)

  1. A million times so
    a millionfold dilution
    a millionfold increase

Translations edit

Adverb edit

millionfold (not comparable)

  1. By a factor of a million.