subatomic
adjective
sub·atom·ic
ˌsəb-ə-ˈtä-mik 
1
: of or relating to the inside of the atom
2
: of, relating to, or being particles smaller than atoms
Examples of subatomic in a Sentence
Recent Examples on the Web
Yet these elusive subatomic particles have proven difficult to study.
—
Jeanna Bryner, Scientific American, 26 Nov. 2025
Like other subatomic particles, protons possess a quantum property called spin, akin to classical angular momentum.
—David Schneider, IEEE Spectrum, 25 Nov. 2025
Particle beams- streams of atoms or subatomic particles accelerated to nearly the speed of light – have long been considered the holy grail of space warfare.
—Bojan Stojkovski, Interesting Engineering, 8 Nov. 2025
Quantum mechanics was originally formulated to explain and predict the perplexing behaviors of atoms, molecules and subatomic particles.
—Zhixin Wang, The Conversation, 10 Oct. 2025
See All Example Sentences for subatomic
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Jeanna Bryner, Scientific American, 26 Nov. 2025
Like other subatomic particles, protons possess a quantum property called spin, akin to classical angular momentum.
—David Schneider, IEEE Spectrum, 25 Nov. 2025
Particle beams- streams of atoms or subatomic particles accelerated to nearly the speed of light – have long been considered the holy grail of space warfare.
—Bojan Stojkovski, Interesting Engineering, 8 Nov. 2025
Quantum mechanics was originally formulated to explain and predict the perplexing behaviors of atoms, molecules and subatomic particles.
—Zhixin Wang, The Conversation, 10 Oct. 2025
See All Example Sentences for subatomic
Cite this Entry
“Subatomic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subatomic. Accessed 1 Dec. 2025.
Copy CitationMedical Definition
subatomic
adjective
sub·atom·ic
ˌsəb-ə-ˈtäm-ik
1
: of or relating to the inside of the atom
2
: of, relating to, or being particles smaller than atoms
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