planck's constant

1. 1.

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

   Synonymsh

   Broaderfactor of proportionality

Questions about planck's constant

What does planck's constant mean?

planck's constant means "the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second".

What is another word for planck's constant?

Close synonyms include h. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is planck's constant a common word?

planck's constant is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.