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
Contributing writer Keith Cooper is a freelance science journalist and editor in the United Kingdom, and has a degree in physics and astrophysics from the University of Manchester.
—
Keith Cooper, Space.com, 13 Mar. 2025
They are also displayed at the Museum of Life and Science and incorporated into public school physics and history curriculums.
—Ula Chrobak, Smithsonian Magazine, 12 Mar. 2025
From here, much of what scientists use in physics to study signals – or data transmission – becomes more manageable and understandable.
—William Ross, The Conversation, 10 Mar. 2025
After graduating from Fordham with a degree in physics, Mo Cunniffe studied economics and finance at NYU.
—Michael T. Nietzel, Forbes, 7 Mar. 2025
See All Example Sentences for physics
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Keith Cooper, Space.com, 13 Mar. 2025
They are also displayed at the Museum of Life and Science and incorporated into public school physics and history curriculums.
—Ula Chrobak, Smithsonian Magazine, 12 Mar. 2025
From here, much of what scientists use in physics to study signals – or data transmission – becomes more manageable and understandable.
—William Ross, The Conversation, 10 Mar. 2025
After graduating from Fordham with a degree in physics, Mo Cunniffe studied economics and finance at NYU.
—Michael T. Nietzel, Forbes, 7 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 23 Mar. 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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