Planck's constant

Definitions of Planck's constant

n the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second

Type of:
constant of proportionality, factor of proportionality
the constant value of the ratio of two proportional quantities x and y; usually written y = kx, where k is the factor of proportionality

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, can put you on the path to systematic vocabulary improvement.