Word Pronunciation & Dictionary

zero-point energy

Word Rarity Uncommon

Frequency: Zipf frequency 4.49 in modern English

Syllables: ze-ro--point en-er-gy
IPA

30

Scrabble Score

15

Letters

6

Syllables

10

Unique Chars

Meaning

noun

The lowest possible energy of a given quantum mechanical system.

noun

The kinetic energy possessed by (the particle constituents of) a substance at absolute zero temperature.

Example Sentences

"The existence of a zero-point energy (i.e., the existence of a non-zero lower limit to the energy of a quantum-mechanical system) is a consequence of Heisenberg's uncertainty principle."
"2000, Stephen T. Thornton, Andrew F. Rex, Modern Physics for Scientists and Engineers, Saunders College Publishing, page 205, Our estimate for the zero-point energy of the harmonic oscillator is hbar ω/2."
"The calculated zero-point energies of hydrogen at inner bulk, GB, and FS are within 0.12-0.16eV/H."

Etymology

Calque of German Nullpunktenergie.

Inflected Forms

zero-point energies (plural)

Phrases

zero-point field

Frequently Paired Words

zero-point field

Synonyms

ground state energy zero-point radiation ZPE

Questions

What does zero-point energy mean?: The lowest possible energy of a given quantum mechanical system.
Where does zero-point energy come from?: Calque of German Nullpunktenergie.

How to pronounce zero-point energy

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