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
But this is exactly why scientists do these sorts of calculations; our expectations can be biased, whereas the math and physics isn’t.
—
Phil Plait, Scientific American, 3 Apr. 2025
Not only is most of the physics of SPARC the same as that of ITER, but some of the hardware will be as well.
—ArsTechnica, 1 Apr. 2025
After earning his PhD in theoretical physics at Cornell, Ginsparg began teaching at Harvard.
—Sheon Han, Wired News, 27 Mar. 2025
Most of the employees at the apex of their careers today went through traditional education, studying subjects like math, physics and geography in a structured, conventionally academic way.
—Dr. Chaouki Kasmi, Forbes.com, 27 Mar. 2025
See All Example Sentences for physics
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Phil Plait, Scientific American, 3 Apr. 2025
Not only is most of the physics of SPARC the same as that of ITER, but some of the hardware will be as well.
—ArsTechnica, 1 Apr. 2025
After earning his PhD in theoretical physics at Cornell, Ginsparg began teaching at Harvard.
—Sheon Han, Wired News, 27 Mar. 2025
Most of the employees at the apex of their careers today went through traditional education, studying subjects like math, physics and geography in a structured, conventionally academic way.
—Dr. Chaouki Kasmi, Forbes.com, 27 Mar. 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 15 Apr. 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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