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
Cosmic rays are a mix of different subatomic particles, including helium nuclei (two protons and two neutrons bound together) or even heavier elements.
—
Phil Plait, Scientific American, 3 Apr. 2026
Dozens of amateur and professional photographers were invited to find beauty in the invisible world of force fields and subatomic particles, which blip into existence for fractions of a second and hold secrets about the origin and fate of the universe.
—Zack Savitsky, Quanta Magazine, 1 Apr. 2026
The multiverse is one way to understand the behavior of very, very small things, such as atoms and subatomic particles.
—Zachary Slepian, The Conversation, 30 Mar. 2026
The team is now exploring the feasibility of using muons, one of the fundamental subatomic particles, in a future high-energy muon collider.
—Georgina Jedikovska, Interesting Engineering, 3 Mar. 2026
See All Example Sentences for subatomic
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Phil Plait, Scientific American, 3 Apr. 2026
Dozens of amateur and professional photographers were invited to find beauty in the invisible world of force fields and subatomic particles, which blip into existence for fractions of a second and hold secrets about the origin and fate of the universe.
—Zack Savitsky, Quanta Magazine, 1 Apr. 2026
The multiverse is one way to understand the behavior of very, very small things, such as atoms and subatomic particles.
—Zachary Slepian, The Conversation, 30 Mar. 2026
The team is now exploring the feasibility of using muons, one of the fundamental subatomic particles, in a future high-energy muon collider.
—Georgina Jedikovska, Interesting Engineering, 3 Mar. 2026
See All Example Sentences for subatomic
Cite this Entry
“Subatomic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subatomic. Accessed 6 Apr. 2026.
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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