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Planck's constant

Planck's constant proper noun: the constant of proportionality (symbol ℎ), relating the energy and frequency of a photon (6.626×10⁻³⁴ joule-second); also related to the indeterminacy limit in the Heisenberg uncertainty principle; the quantum of action.

Proper noun

Planck's constant

  1. (quantum mechanics) the constant of proportionality (symbol ℎ), relating the energy and frequency of a photon (6.626×10⁻³⁴ joule-second); also related to the indeterminacy limit in the Heisenberg uncertainty principle; the quantum of action

Planck's constant meaning in Arabic, Indonesian, Persian and Thai

Planck's constant in Arabic

constant
ثَابِت بُلَانْك ṯābit bulank

Planck's constant in Indonesian

constant
konstanta Planck

Planck's constant in Persian

constant
ثابت پلانک sâbet-e plânk

Planck's constant in Thai

constant
ค่าคงที่ของพลังค์ kâa kong têe kŏng plang
More languagesFewer languages
Planck's constant in Vietnamese
hằng số Planck

Origin of Planck's constant

Named for Max Planck (1858–1947), German theoretical physicist, who discovered it in 1900.

Questions about Planck's constant

What does Planck's constant mean?
Planck's constant means the constant of proportionality (symbol ℎ), relating the energy and frequency of a photon (6.626×10⁻³⁴ joule-second); also related to the indeterminacy limit in the Heisenberg uncertainty principle; the quantum of action.
What is Planck's constant in Arabic?
Planck's constant in Arabic is ثَابِت بُلَانْك (ṯābit bulank). See Planck's constant meaning in Arabic.
What part of speech is Planck's constant?
Planck's constant is a proper noun.

Words near Planck's constant in the dictionary

  1. Planck velocity
  2. Planck voltage
  3. Planck voltages
  4. Planck volume
  5. Planck volumes
  6. Planck's constant
  7. Planck's principle
  8. Planckian
  9. planckon
  10. planckons
  11. Plancks

Source and license

Adapted from Wiktionary: Planck's constant (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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