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
That’s in part because video generation AI models don’t understand the laws of physics and aren’t trained on examples of different real world actions and complicated movements.
—
Rashi Shrivastava, Forbes, 22 Oct. 2024
Our approach, called multiscale modeling, consists of looking at the physics in these materials over different time and length scales with a range of computational models.
—Sophie Blondel, The Conversation, 18 Oct. 2024
The physics behind this is relatively straightforward: A warmer ocean provides more energy for hurricanes to tap into, and warmer air temperatures allow the atmosphere to hold more moisture.
—Andrew Freedman, Axios, 15 Oct. 2024
Newton’s account was simpler, but modern physics tells us that the more complex model is closer to the truth.
—Naomi Oreskes, Scientific American, 15 Oct. 2024
See all Example Sentences for physics 
Rashi Shrivastava, Forbes, 22 Oct. 2024
Our approach, called multiscale modeling, consists of looking at the physics in these materials over different time and length scales with a range of computational models.
—Sophie Blondel, The Conversation, 18 Oct. 2024
The physics behind this is relatively straightforward: A warmer ocean provides more energy for hurricanes to tap into, and warmer air temperatures allow the atmosphere to hold more moisture.
—Andrew Freedman, Axios, 15 Oct. 2024
Newton’s account was simpler, but modern physics tells us that the more complex model is closer to the truth.
—Naomi Oreskes, Scientific American, 15 Oct. 2024
See all Example Sentences for physics
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'physics.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near physics
Cite this Entry
“Physics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/physics. Accessed 4 Nov. 2024.
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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