dis·​junc·​tion dis-ˈjəŋ(k)-shən How to pronounce disjunction (audio)
: a sharp cleavage : disunion, separation
the disjunction between theory and practice
: a compound sentence in logic formed by joining two simple statements by or:

Did you know?

Disjunction vs Disconnect

A disjunction may be a mere lack of connection between two things, or a large gulf. There's often a huge disjunction between what people expect from computers and what they know about them, and the disjunction between a star's public image and her actual character may be just as big. We may speak of the disjunction between science and morality, between doing and telling, or between knowing and explaining. In recent years, disjunction seem to have been losing out to a newer synonym, the noun disconnect.

Examples of disjunction in a Sentence

Recent Examples on the Web Sherman sees the disjunctions in her new work’s faces almost as an exercise in cubism. Nancy Princenthal, New York Times, 24 Jan. 2024 Why is there such a disjunction between the genetic parity in terms of ancestry and cultural skew toward their Iberian forebears? Razib Khan, Discover Magazine, 24 June 2011 In context, this disjunction seemed like a feature—an echo of the subject matter—rather than like a malfunction. Anna Wiener, The New Yorker, 13 Nov. 2023 But, to Descartes, its vividness seemed to suggest a clear disjunction between the body and the mind: in dreams the body lies dormant while the mind runs free. Amanda Gefter, The New Yorker, 31 Aug. 2023 Surrounded by this jarring disjunction between high-minded science, clinical urgency, and human suffering, I was reminded of my year as a medical intern, when a different terrifying infection was sweeping the country. George Makari, The New Yorker, 13 July 2023 When the Cold War ended, therefore, the disjunction between Americans’ actual role and Americans’ self-perception became untenable. Robert Kagan, Foreign Affairs, 16 Feb. 2021 This disjunction isn’t Alexander’s fault, or Schmidt’s. Vinson Cunningham, The New Yorker, 31 July 2023 Yet all the growing mounds of evidence and ever more refined expertise can’t make up for a stubborn disjunction separating design, courtesy, and compliance. Curbed, 24 Jan. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'disjunction.' 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

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of disjunction was in the 14th century

Dictionary Entries Near disjunction

Cite this Entry

“Disjunction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disjunction. Accessed 20 Feb. 2024.

Medical Definition


dis·​junc·​tion dis-ˈjəŋ(k)-shən How to pronounce disjunction (audio)
: the separation of chromosomes or chromatids during anaphase of mitosis or meiosis

More from Merriam-Webster on disjunction

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!