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
Such textures are a hot research area across physics and materials science because skyrmions can be manipulated with extremely low energy.
—
Neetika Walter, Interesting Engineering, 9 Dec. 2025
Traditional weather models -- like the European Model and the American Global Forecast system that the NHC regularly uses -- rely on complex simulations that use atmospheric and physics-based equations, which require significant time and computing power to run.
—ABC News, 6 Dec. 2025
Unlike international treaties, the laws of physics allow no amendments.
—Belinda Luscombe, Time, 6 Dec. 2025
Coppedge’s son, Jack, is a 16-year-old high school student who excels at algebra and physics.
—Calmatters, Oc Register, 5 Dec. 2025
See All Example Sentences for physics
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Neetika Walter, Interesting Engineering, 9 Dec. 2025
Traditional weather models -- like the European Model and the American Global Forecast system that the NHC regularly uses -- rely on complex simulations that use atmospheric and physics-based equations, which require significant time and computing power to run.
—ABC News, 6 Dec. 2025
Unlike international treaties, the laws of physics allow no amendments.
—Belinda Luscombe, Time, 6 Dec. 2025
Coppedge’s son, Jack, is a 16-year-old high school student who excels at algebra and physics.
—Calmatters, Oc Register, 5 Dec. 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 13 Dec. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share