Definitions

absolute zero

NOUN

lowest temperature

Synonyms

WEAK

absence of heat zero degrees Kelvin zero kelvins

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.

Superconducting circuits use metals cooled to near absolute zero; trapped ions are suspended in vacuums and manipulated by lasers.

From Barron's • May 21, 2026

To build the system, the researchers used radio waves to inject magnons into a Helium-3 superfluid cooled to temperatures near absolute zero.

From Science Daily • May 5, 2026

By placing it inside a helium nanodroplet, they reduced its temperature to just 0.37 degrees above absolute zero.

From Science Daily • Apr. 7, 2026

The newly observed sequence involves two important changes in magnetic behavior that occur as certain materials are cooled toward absolute zero.

From Science Daily • Mar. 7, 2026

A black hole with a mass a few times that of the sun would have a temperature of only one ten millionth of a degree above absolute zero.

From "A Brief History of Time: And Other Essays" by Stephen Hawking