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
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Our study exemplifies how seismology combined with rock physics models and petrological analysis can resolve the detailed structure and composition of a volcanic system, critical for assessing eruption hazard.
—
Trevor Hughes, USA Today, 1 May 2025
Jennifer Ouellette Senior Writer Jennifer is a senior writer at Ars Technica with a particular focus on where science meets culture, covering everything from physics and related interdisciplinary topics to her favorite films and TV series.
—ArsTechnica, 30 Apr. 2025
Scientists say this could reveal exotic states of matter and deepen our understanding of the fundamental physics governing these extreme environments.
—Sharmila Kuthunur, Space.com, 29 Apr. 2025
Soon creators will be able to prompt fully navigable 3D virtual worlds with realistic physics and intelligent NPCs.
—Charlie Fink, Forbes.com, 28 Apr. 2025
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Trevor Hughes, USA Today, 1 May 2025
Jennifer Ouellette Senior Writer Jennifer is a senior writer at Ars Technica with a particular focus on where science meets culture, covering everything from physics and related interdisciplinary topics to her favorite films and TV series.
—ArsTechnica, 30 Apr. 2025
Scientists say this could reveal exotic states of matter and deepen our understanding of the fundamental physics governing these extreme environments.
—Sharmila Kuthunur, Space.com, 29 Apr. 2025
Soon creators will be able to prompt fully navigable 3D virtual worlds with realistic physics and intelligent NPCs.
—Charlie Fink, Forbes.com, 28 Apr. 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 5 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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