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
The gift was prescient; Friederike went on to study physics to post-doctoral level at Stanford and Colombia, before transitioning to the world of tech.
—
Mandeep Rai, Forbes.com, 23 July 2025
Cranmer and Yu point out that while such methods are good at discovering patterns, making sense of those patterns and coming up with hypotheses or the physics to explain them remains elusive for today’s AI models.
—Quanta Magazine, 21 July 2025
Physicists who are developing bounce theories often work in the second layer of the onion, using semiclassical physics that exploits negative-energy quantum effects to get around the singularity required by the Penrose and Hawking theorems.
—Charlie Wood, Wired News, 20 July 2025
The physics of how global warming affects heavy precipitation events is well known, according to climate scientist Kate Marvel.
—Andrew Freedman, CNN Money, 20 July 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.
Mandeep Rai, Forbes.com, 23 July 2025
Cranmer and Yu point out that while such methods are good at discovering patterns, making sense of those patterns and coming up with hypotheses or the physics to explain them remains elusive for today’s AI models.
—Quanta Magazine, 21 July 2025
Physicists who are developing bounce theories often work in the second layer of the onion, using semiclassical physics that exploits negative-energy quantum effects to get around the singularity required by the Penrose and Hawking theorems.
—Charlie Wood, Wired News, 20 July 2025
The physics of how global warming affects heavy precipitation events is well known, according to climate scientist Kate Marvel.
—Andrew Freedman, CNN Money, 20 July 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 29 Jul. 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