
Absolute zero - Wikipedia
Zero kelvin (−273.15 °C) is defined as absolute zero. Absolute zero is the lowest possible temperature, a state at which a system's internal energy, and in ideal cases entropy, reach …
Absolute zero | Definition & Facts | Britannica
Nov 20, 2025 · Absolute zero, temperature at which a thermodynamic system has the lowest energy. It corresponds to minus 273.15 degrees Celsius and to minus 459.67 degrees …
What Is Absolute Zero? Temperature in Kelvin, Celsius, and Fahrenheit
Aug 10, 2020 · Absolute zero is defined as the temperature at which a cooled ideal gas is in its lowest energy state. In other words, it’s the point at which no more heat can be removed.
ABSOLUTE ZERO Definition & Meaning - Merriam-Webster
Dec 23, 2025 · The meaning of ABSOLUTE ZERO is a theoretical temperature characterized by complete absence of heat and motion and equivalent to exactly —273.15°C or —459.67°F.
ABSOLUTE ZERO Definition & Meaning | Dictionary.com
ABSOLUTE ZERO definition: the temperature of −273.16°C (−459.69°F), the hypothetical point at which all molecular activity ceases. See examples of absolute zero used in a sentence.
Absolute zero - Energy Education
This temperature, where there's no thermal energy at all, is called absolute zero. [2] Numerically, this is written as 0 K, -273.15 °C, or -459.67 °F.
Absolute Zero — Definition & Importance - Expii
Absolute zero is the lowest possible temperature, when no heat remains. As the temperature of a substance decreases, its molecules move slower, including electrons, protons, and neutrons.
Absolute zero Definition - Physical Science Key Term | Fiveable
Absolute zero represents the point at which molecular motion comes to a complete halt, resulting in the lowest possible thermal energy within a substance. At this temperature, particles have …
ABSOLUTE ZERO definition | Cambridge English Dictionary
Virtually every material undergoes atomic-level ordering when cooled to temperatures approaching absolutezero. Even to exist for that fraction of a second, qubits require …
Absolute zero explained
Absolute zero is the lowest limit of the thermodynamic temperature scale; a state at which the enthalpy and entropy of a cooled ideal gas reach their minimum value.