Planck's constant

Definitions of Planck's constant
  1. noun
    the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second
    synonyms: h
    see moresee less
    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
Cite this entry
Style:
MLA
  • MLA
  • APA
  • Chicago

Copy citation
DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘Planck's constant'. Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors. Send us feedback
Word Family