Dictionary.com
Thesaurus.com

zero-point energy

American  
[zeer-oh-point] / ˈzɪər oʊˌpɔɪnt /

noun

Physics.
  1. energy in a substance at the temperature of absolute zero.


zero-point energy Scientific  
  1. The irreducible minimum energy possessed by a physical system, as of a substance at a temperature of absolute zero. The zero point energy of a vacuum is not zero due to vacuum fluctuations.

  2. See Note at absolute zero


Etymology

Origin of zero-point energy

First recorded in 1930–35

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A zero in quantum mechanics means that the entire universe—including the vacuum—is filled with an infinite amount of energy: the zero-point energy.

From Literature

Perhaps the weirdest of all is caused by a zero in the equations of quantum mechanics: the zero-point energy.

From Literature

This is the zero-point energy, an infinity in the formulas of quantum theory.

From Literature

Interpreted strictly, the zero-point energy is limitless.

From Literature

The zero-point energy is no different; most scientists ignore it completely.

From Literature