transcription, транскрипция: [ ˈpläŋ(k)s-, ˈplaŋ(k)s- ]
noun
Etymology: Max K. E. L. Planck
Date: 1910
: a constant that gives the unvarying ratio of the energy of a quantum of radiation to its frequency and that has an approximate value of 6.626 × 10 -34 J·s — symbol h