PLANCK'S CONSTANT

Pronunciation (US): (GB):

Meaning:

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

Synonyms:

h; Planck's constant

Classified under:

Nouns denoting quantities and units of measure

Hypernyms ("Planck's constant" is a kind 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)