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x factor

The correct spelling is x factor.

How to pronounce x factor

noun

Say it like: Z f-act-or

The correct spelling is x factor. An unknown or hard-to-define influence; a factor with unknown or unforeseeable consequences.

Usage Examples

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Definition

noun

  1. 1.An unknown or hard-to-define influence; a factor with unknown or unforeseeable consequences.
  2. 2.A special talent, ability or quality or its indefinable cause.
  3. 3.Prothrombinase, also called factor X.
  4. 4.The proportionality constant which converts CO emission line brightness to molecular hydrogen mass.

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