subatomic

adjective
sub·​atom·​ic | \ ˌsəb-ə-ˈtä-mik How to pronounce subatomic (audio) \

Definition of subatomic

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 Some qubits are made of atoms or subatomic particles. Washington Post, 26 Oct. 2021 The telescope will also explore the hazy origins of our galaxy's positrons, subatomic particles that have a positive charge and a mass comparable to an electron, which has a negative charge. Ashley Strickland, CNN, 19 Oct. 2021 Neutrinos are subatomic particles that have no electrical charge and an extremely small mass. Elizabeth Howell, Forbes, 15 Oct. 2021 Studying the behavior of neutrons is consequently well-suited for seeking out new forces because there are not many easily measurable effects influencing these subatomic particles to begin with. Karmela Padavic-callaghan, Scientific American, 12 Oct. 2021 Parisi’s work largely centers around tiny subatomic particles and is somewhat esoteric and academic, while the work by Manabe and Hasselmann is about large-scale global forces that shape our daily lives. David Keyton And Seth Borenstein, Anchorage Daily News, 5 Oct. 2021 Parisi's work largely centers around tiny subatomic particles and is somewhat esoteric and academic, while the work by Manabe and Hasselmann is about large-scale global forces that shape our daily lives. David Keyton And Seth Borenstein, USA TODAY, 5 Oct. 2021 The work for which Dr. Weinberg was awarded the Nobel had a transformative impact on physics, in particular on the development of quantum mechanics, which tries to understand and explain what happens in the subatomic world. BostonGlobe.com, 27 July 2021 The work for which Dr. Weinberg was awarded the Nobel had a transformative impact on physics, in particular on the development of quantum mechanics, which tries to understand and explain what happens in the subatomic world. New York Times, 25 July 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'subatomic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of subatomic

1874, in the meaning defined at sense 1

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Time Traveler for subatomic

Time Traveler

The first known use of subatomic was in 1874

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Dictionary Entries Near subatomic

subatmospheric

subatomic

subaudible

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Cite this Entry

“Subatomic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subatomic. Accessed 19 Jan. 2022.

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More Definitions for subatomic

subatomic

adjective

English Language Learners Definition of subatomic

: smaller than an atom
: of or relating to the inside of an atom

subatomic

adjective
sub·​atom·​ic | \ ˌsəb-ə-ˈtäm-ik How to pronounce subatomic (audio) \

Medical Definition of subatomic

1 : of or relating to the inside of the atom
2 : of, relating to, or being particles smaller than atoms

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