Look up form factor in Wiktionary, the free dictionary.

Form factor or form-factor may refer to:

• Form factor (design), an aspect of design which defines and prescribes the size, shape, and other physical specifications of hardware components, particularly in electronics and electronic packaging
  • Form factor (mobile phones)
  • Motherboard form factor
  • Hard disk drive form factor
• FormFactor (company), a semiconductor test and measurement company, acquired Cascade Microtech in 2016

• Form factor (quantum field theory), a semi-empirical formula used in effective quantum field theories
• Atomic form factor, or atomic scattering factor, a measure of the amplitude of a wave scattered from an isolated atom
• Electric form factor, the Fourier transform of electric charge distribution in space
• Magnetic form factor, the Fourier transform of an electric current distribution in space

• Form factor (electronics), characterizing the functional form of oscillating signals
• Form factor (radiative transfer) or view factor, the proportion of energy transmitted by that object which can be transferred to another object
• Form factor in timber metrics, referring to tree shape

Structure factor

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