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physics

American  
[fiz-iks] / ˈfɪz ɪks /

noun

(used with a singular verb)
  1. the science that deals with matter, energy, motion, and force.


physics British  
/ ˈfɪzɪks /

noun

  1. the branch of science concerned with the properties of matter and energy and the relationships between them. It is based on mathematics and traditionally includes mechanics, optics, electricity and magnetism, acoustics, and heat. Modern physics, based on quantum theory, includes atomic, nuclear, particle, and solid-state studies. It can also embrace applied fields such as geophysics and meteorology

  2. physical properties of behaviour

    the physics of the electron

  3. archaic natural science or natural philosophy

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

physics Scientific  
/ fĭzĭks /
  1. The scientific study of matter, energy, space, and time, and of the relations between them.

  2. The behavior of a given physical system, especially as understood by a physical theory.


physics Cultural  
  1. The scientific study of matter and motion. (See mechanics, optics, quantum mechanics, relativity, and thermodynamics.)


Etymology

Origin of physics

First recorded in 1580–90; physic, -ics

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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.

One of the biggest unsolved challenges in modern physics is bringing together two powerful theories that describe very different parts of reality.

From Science Daily

Beyond its importance for basic physics, the research could have practical applications.

From Science Daily

Both lie along the N = Z line, which is especially important in nuclear physics.

From Science Daily

Cleaver said she was always interested in astronomy while a pupil at Chelmsford County High School and later studied physics at Durham University.

From BBC

"Because of their stability and extremely small size, these vortices offer a new route to controlling magnetism at the nanoscale and provide insight into universal topological physics in two-dimensional systems."

From Science Daily