subatomic

adjective

sub·​atom·​ic ˌsəb-ə-ˈtä-mik How to pronounce subatomic (audio)
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
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Just as physicists deduced the existence of subatomic particles from the movements of visible matter, San hunters reconstructed the behaviors of invisible animals from tracks. Ben Goldfarb, Smithsonian Magazine, 23 Oct. 2024 In physics, energies and frequencies refer to measurable properties of subatomic particles and waves. Shayla Love, The Atlantic, 11 Oct. 2024 Two years ago, a measurement suggested a subatomic particle called the W boson was heavier than predicted by theory. Byadrian Cho, science.org, 20 Sep. 2024 Intense geomagnetic storms can potentially disrupt navigation systems by interfering with radio and GPS signals, as well as electrical power networks, due to the subatomic particles that bombard the Earth, according to NOAA. Julia Jacobo, ABC News, 19 Sep. 2024 See all Example Sentences for subatomic 

Word History

First Known Use

1874, in the meaning defined at sense 1

Time Traveler
The first known use of subatomic was in 1874

Dictionary Entries Near subatomic

Cite this Entry

“Subatomic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subatomic. Accessed 8 Nov. 2024.

Medical Definition

subatomic

adjective
sub·​atom·​ic ˌsəb-ə-ˈtäm-ik How to pronounce subatomic (audio)
1
: of or relating to the inside of the atom
2
: of, relating to, or being particles smaller than atoms
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!