411 REFERENCE · Wiktionary
Planck constant
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Proper noun
1
en Planck's constant.
Today's editionIndia · World · Your city
Sourced news from India & the world
Every story, the full picture
Public archive edition · Attributed source reporting with original dates · AI drafts are excluded