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 If the second pulse arrives within a short enough duration, scientists can watch subatomic particles in their quantum glory with plenty of time to spare before the X-rays can damage the target. IEEE Spectrum, 28 May 2024 In 1930, Pauli postulated the existence of the subatomic particle now known as the neutrino, the most common variety of which spills down from the sun and penetrates the human body at a rate of roughly one hundred trillion per second. Frederick Kaufman, Harper's Magazine, 22 Apr. 2024 See all Example Sentences for subatomic 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'subatomic.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 5 Jun. 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
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