ABSOLUTE ZERO Meaning and
Definition
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Absolute zero is a fundamental concept in thermodynamics and a fixed point on the Kelvin temperature scale. It refers to the lowest possible temperature that can theoretically be achieved in the universe. At absolute zero, molecules cease to possess any thermal energy, and all atomic motion comes to a complete halt. It is denoted as 0 Kelvin (0 K), equivalent to -273.15 degrees Celsius or -459.67 degrees Fahrenheit.
From a quantum mechanical perspective, absolute zero signifies the lowest energy level that a physical system can attain. It is considered an unreachable temperature in practice, as it requires removing all energy from a substance. Nonetheless, scientists have approached extremely close temperatures to absolute zero using various techniques, such as adiabatic demagnetization and laser cooling.
At absolute zero, numerous remarkable phenomena occur. One example is the complete absence of electrical resistance in certain materials, known as superconductivity. Also, substances known as Bose-Einstein condensates can be formed, where a large number of particles occupy the same quantum state. These exotic states of matter display unique properties that can be studied to better understand the fundamental principles of physics.
In summary, absolute zero is the theoretical lowest temperature where all molecular motion stops. Its significance lies in the study of matter at extremely low temperatures, providing insights into unusual phenomena and advancing our understanding of the physical world.
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• The lowest possible temperature, that at which the form of motion constituting heat no longer exists, reckoned as -273.7ºC.
• The point of the assumed greatest possible cold, or absence of all heat; it is - 273.70 C.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for ABSOLUTE ZERO
- zbsolute zero
- sbsolute zero
- wbsolute zero
- qbsolute zero
- avsolute zero
- ansolute zero
- ahsolute zero
- agsolute zero
- abaolute zero
- abzolute zero
- abxolute zero
- abdolute zero
- abeolute zero
- abwolute zero
- absilute zero
- absklute zero
- absllute zero
- absplute zero
- abs0lute zero
Etymology of ABSOLUTE ZERO
The word "absolute" has its origins in Latin, derived from the words "absolutus" and "absolvere". "Absolutus" means "loosed, freed, unrestricted", while "absolvere" means "to set free, complete". The word "zero" has its roots in Arabic, specifically from the Arabic word "sifr" which means "empty" or "zero". Thus, the term "absolute zero" combines these two words to describe the complete absence of thermal energy or the lowest possible temperature in the Kelvin temperature scale.
Similar spelling words for ABSOLUTE ZERO
- absolute space,
- absolute value,
- absolution,
- absoluteness,
- absolute ceiling,
- absolutist,
- absolute pitch,
- absolutism,
- absolute scale,
- absolute alcohol,
- absolutely.
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