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.

Most require temperatures near absolute zero, about -459 degrees Fahrenheit, to maintain the fragile quantum states needed for computation and communication.

From Science Daily • May 30, 2026

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

These devices trap single ions such as aluminum or ytterbium, cool them to temperatures near absolute zero, and control their quantum states using lasers.

From Science Daily • May 18, 2026

They worked with a gas of lithium atoms cooled to just a few billionths of a degree Celsius above absolute zero.

From Science Daily • Apr. 27, 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