Planck length

(redirected from Planck Wavelength)

Planck length

[′pläŋk ‚leŋkth]
(physics)
The length √(Gh /2π c 3) (where G is the gravitational constant, h is Planck's constant, and c is the speed of light) at which quantum fluctuations are believed to dominate the geometry of space-time; it is equal to 1.6162 × 10-35 m.