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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An axion is a hypothetical subatomic particle of low mass and energy that could be responsible for dark matter in the cosmos.
—
Jasmin Malik Chua, Sourcing Journal, 17 Sep. 2025
But what happens when that realm of subatomic particles is placed under immense pressure?
—Neetika Walter, Interesting Engineering, 15 Sep. 2025
Testing particle physics theories, the $8 billion LHC was composed of superconducting magnets that allowed scientists to study subatomic particles including protons, electrons, quarks and photons.
—Lorenzino Estrada, AZCentral.com, 10 Sep. 2025
But subatomic particles don’t actually look like that at all.
—Gayoung Lee, Scientific American, 3 Sep. 2025
See All Example Sentences for subatomic
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Jasmin Malik Chua, Sourcing Journal, 17 Sep. 2025
But what happens when that realm of subatomic particles is placed under immense pressure?
—Neetika Walter, Interesting Engineering, 15 Sep. 2025
Testing particle physics theories, the $8 billion LHC was composed of superconducting magnets that allowed scientists to study subatomic particles including protons, electrons, quarks and photons.
—Lorenzino Estrada, AZCentral.com, 10 Sep. 2025
But subatomic particles don’t actually look like that at all.
—Gayoung Lee, Scientific American, 3 Sep. 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 29 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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