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

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

Xanadu’s machines will be able to function at room temperature, eliminating the need for the bulky refrigerators needed to cool the components of most computers to absolute zero.

From Barron's • Mar. 30, 2026

Like Kelvin’s discovery of absolute zero, the laws of thermodynamics erected impenetrable barriers that no scientists can ever cross, no matter how hard they try.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife