■ noun Physics a fundamental constant relating the energy of a quantum of electromagnetic radiation to its frequency, equal to 6.626 × 10 -34 joules.
Origin
early 20th cent.: named after the German physicist Max Planck .
■ noun Physics a fundamental constant relating the energy of a quantum of electromagnetic radiation to its frequency, equal to 6.626 × 10 -34 joules.
Origin
early 20th cent.: named after the German physicist Max Planck .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004