bul: константа на Планк

Information
has URI	http://lexvo.org/id/term/bul/%D0%BA%D0%BE%D0%BD%D1%81%D1%82%D0%B0%D0%BD%D1%82%D0%B0%20%D0%BD%D0%B0%20%D0%9F%D0%BB%D0%B0%D0%BD%D0%BA

Meaning
means	(noun) the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second h, Planck's constant
means	e/Planck constant