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WordReference Random House Learner's Dictionary of American English © 2024ˈab•so•lute ˈze•ro, n. [uncountable]- Thermodynamicsthe temperature of -273.16°C (-459.69°F), the point at which all molecules stop moving.
WordReference Random House Unabridged Dictionary of American English © 2024ab′solute ze′ro, - Thermodynamicsthe temperature of -273.16°C (-459.69°F), the hypothetical point at which all molecular activity ceases.
Collins Concise English Dictionary © HarperCollins Publishers:: absolute zero n - the lowest temperature theoretically attainable, at which the particles constituting matter would be in the lowest energy states available; the zero of thermodynamic temperature; zero on the International Practical Scale of Temperature: equivalent to –273.15°C or –459.67°F
ab′solute tem′perature scale′, [Thermodynam.]- Thermodynamicstemperature (ab′solute tem′perature)as measured on a scale in which the hypothetical lowest limit of physical temperatures is assigned the value zero (ab′solute ze′ro), as the Kelvin scale. Also called ab′solute scale′.
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