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
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The massive underground observatory Neutrinos are fundamental, subatomic particles that are incredibly difficult to detect.
—
Mrigakshi Dixit, Interesting Engineering, 26 Aug. 2025
Our eyes cannot pierce the subatomic veil nor trace the farthest threads of the cosmic web.
—Big Think, 20 Aug. 2025
There, Heisenberg completed a calculation that would become the heart of quantum mechanics, a radical new theory of the atomic and subatomic world.
—Quanta Magazine, 8 Aug. 2025
In particle physics, decay refers to the process where unstable subatomic particles transform into two or more lighter, more stable particles.
—William Barter, Space.com, 1 Aug. 2025
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Mrigakshi Dixit, Interesting Engineering, 26 Aug. 2025
Our eyes cannot pierce the subatomic veil nor trace the farthest threads of the cosmic web.
—Big Think, 20 Aug. 2025
There, Heisenberg completed a calculation that would become the heart of quantum mechanics, a radical new theory of the atomic and subatomic world.
—Quanta Magazine, 8 Aug. 2025
In particle physics, decay refers to the process where unstable subatomic particles transform into two or more lighter, more stable particles.
—William Barter, Space.com, 1 Aug. 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 8 Sep. 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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