plural in form but singular or plural in construction
1
: a science that deals with matter and energy and their interactions
2
a
: the physical processes and phenomena of a particular system
b
: the physical properties and composition of something
Examples of physics in a Sentence
Recent Examples on the Web
Each structure underwent physics analysis to ensure it could be built in the real world.
—
ArsTechnica, 9 May 2025
But across the state, other institutions including Johns Hopkins and the University of Maryland, Baltimore County have also developed robust quantum physics programs.
—Forbes.com, 9 May 2025
Fulfilling the dream of medieval alchemists, physicists have observed the transmutation of lead into gold—through nuclear physics at the Large Hadron Collider (LHC), the world's most powerful particle accelerator.
—Melissa Fleur Afshar, MSNBC Newsweek, 9 May 2025
This smooth break, with concentric wavelike ripples, is defined by the physics of how force moves through different materials.
—John K. Murray, The Conversation, 7 May 2025
See All Example Sentences for physics
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ArsTechnica, 9 May 2025
But across the state, other institutions including Johns Hopkins and the University of Maryland, Baltimore County have also developed robust quantum physics programs.
—Forbes.com, 9 May 2025
Fulfilling the dream of medieval alchemists, physicists have observed the transmutation of lead into gold—through nuclear physics at the Large Hadron Collider (LHC), the world's most powerful particle accelerator.
—Melissa Fleur Afshar, MSNBC Newsweek, 9 May 2025
This smooth break, with concentric wavelike ripples, is defined by the physics of how force moves through different materials.
—John K. Murray, The Conversation, 7 May 2025
See All Example Sentences for physics
Cite this Entry
“Physics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/physics. Accessed 18 May. 2025.
Copy CitationKids Definition
physics
noun
phys·ics
ˈfiz-iks 
1
: a science that deals with matter and energy and their actions upon each other in the fields of mechanics, heat, light, electricity, sound, and the atomic nucleus
2
: physical composition, characteristics, or processes
the physics of sound
Medical Definition
physics
noun, plural in form but singular or plural in construction
phys·ics
ˈfiz-iks
: a science that deals with matter and energy and their interactions in the fields of mechanics, acoustics, optics, heat, electricity, magnetism, radiation, atomic structure, and nuclear phenomena
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