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 This releases an absurdly huge flood of energy (and subatomic particles called neutrinos)—like lighting a match in a dynamite factory times a zillion. Phil Plait, Scientific American, 2 Aug. 2024 In addition, quantum computing (using subatomic particles to process information) should exponentially accelerate calculations for certain applications. Charles Kupchan, Foreign Affairs, 24 July 2024 Quantum computers, in contrast, handle information probabilistically at the atomic and subatomic levels. Discover Magazine, 21 June 2024 Atoms and subatomic particles don’t change, age, or degrade—their behavior is always the same. Michael J. Biercuk, Fortune, 18 July 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 25 Aug. 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!