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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Neutrinos are virtually massless subatomic particles with no charge.
—
Jay Kakade
july 20, New Atlas, 20 July 2025
The use of subatomic particles to process data could represent a breakthrough that’s unmatched in modern human history, according to analysts at Bank of America, who compared it to the discovery of fire.
—Preston Fore, Fortune, 19 July 2025
The distance shifted is a minuscule fraction of the size of a subatomic particle.
—Ruairi MacKenzie, Discover Magazine, 16 July 2025
As the cosmos cooled and expanded, these specks combined to form subatomic particles such as protons and neutrons, which combined to form hydrogen, helium and lithium — the first and lightest elements — during the universe’s first three minutes.
—Jenna Ahart, Quanta Magazine, 2 July 2025
See All Example Sentences for subatomic
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Jay Kakade
july 20, New Atlas, 20 July 2025
The use of subatomic particles to process data could represent a breakthrough that’s unmatched in modern human history, according to analysts at Bank of America, who compared it to the discovery of fire.
—Preston Fore, Fortune, 19 July 2025
The distance shifted is a minuscule fraction of the size of a subatomic particle.
—Ruairi MacKenzie, Discover Magazine, 16 July 2025
As the cosmos cooled and expanded, these specks combined to form subatomic particles such as protons and neutrons, which combined to form hydrogen, helium and lithium — the first and lightest elements — during the universe’s first three minutes.
—Jenna Ahart, Quanta Magazine, 2 July 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 25 Jul. 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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