Definition

Adverb By a factor of one million; multiplied by one million.

Usage

The adverb "millionfold" is used to describe an increase, decrease, or change in magnitude that is one million times greater. It is typically used with verbs like "increase," "grow," "multiply," or "exceed."

Examples

• The computing power of the device has increased millionfold in the last two decades.
• The scientist observed that the chemical reaction accelerated millionfold under the new conditions.
• The potential risk was magnified millionfold by the oversight.

Advanced Usage

• "a millionfold": Often used with the indefinite article "a" to form the adverbial phrase "a millionfold," which functions identically to the standalone adverb.
  • The investment's value grew a millionfold over the century.
• Used for dramatic emphasis to indicate an extraordinarily large multiplicative factor, even if not literally precise.

Variants and Related Words

• Millionfold (Adjective): Consisting of a million parts or being a million times as great. (Less common than the adverbial form).
  • A millionfold increase in capacity was recorded.
• Thousandfold (Adverb): By a factor of a thousand.
• Hundredfold (Adverb): By a factor of a hundred.

Synonyms

• By a factor of a million
• A million times over

Notes

"Millionfold" is a specific multiplicative adverb. It is not typically used in idioms or as part of phrasal verbs. Its meaning is strictly numerical and proportional.

Adverb

1. by a factor of a million
   • it increased a millionfold