reductionism

1 of 2

noun (1)

1
: explanation of complex life-science processes and phenomena in terms of the laws of physics and chemistry
also : a theory or doctrine that complete reductionism is possible
2
: a procedure or theory that reduces complex data and phenomena to simple terms

reductionist

2 of 2

noun (2)

plural -s
: an advocate of reduction or reductionism

Examples of reductionism in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
McClintock’s colleagues, obsessed with scientific reductionism, scoffed at her near-spiritual dedication to understanding organismal biology in its fullness and complexity. — The New Yorker, New Yorker, 4 July 2026 Non-reductionism requires magic, not merely science. — Big Think, 29 Jan. 2026 The end goal of reductionism was to explain everything in the universe as the result of particles and their interactions. — Adam Frank, The Atlantic, 15 Dec. 2025 Yet, calling Sanoë purely a jacket brand would be a form of reductionism. — Stacia Datskovska, Footwear News, 28 Oct. 2025 See All Example Sentences for reductionism

Word History

First Known Use

Noun (1)

1925, in the meaning defined at sense 2

Time Traveler
The first known use of reductionism was in 1925

Browse Nearby Words

Cite this Entry

“Reductionism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reductionism. Accessed 27 Sep. 2026.

Medical Definition

reductionism

noun
1
: the attempt to explain all biological processes by the same explanations (as by physical laws) that chemists and physicists use to interpret inanimate matter
also : the theory that complete reductionism is possible
2
: a procedure or theory that reduces complex data or phenomena to simple terms

More from Merriam-Webster on reductionism

Love words? Need even more definitions?

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