Speakur

Word Pronunciation & Dictionary

hartree

Word Rarity Very rare

Frequency: Zipf frequency 1.92 in modern English

Syllables
hartree
IPA
10
Scrabble Score
7
Letters
1
Syllables
5
Unique Chars

Meaning

noun

The atomic unit of energy, defined as 2R_∞hc, where R_∞ is the Rydberg constant, h is the Planck constant and c is the speed of light. It equals 4.35974 attojoules.

name

A surname.

Etymology

Named after the British physicist Douglas Hartree (1897–1958).

Inflected Forms

hartrees (plural)

Derived Forms

millihartree

Phrases

Hartree equation Hartree-Fock method Hartree product

Questions

What does hartree mean?
The atomic unit of energy, defined as 2R_∞hc, where R_∞ is the Rydberg constant, h is the Planck constant and c is the speed of light. It equals 4.35974 attojoules.
Where does hartree come from?
Named after the British physicist Douglas Hartree (1897–1958).

How to pronounce hartree

  1. Open the pronunciation page — Open the Speakur entry for “hartree”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “hartree”.
  4. Repeat and practice — Say “hartree” aloud, matching stress and vowels until it feels natural.