dy·​ad | \ ˈdī-ˌad How to pronounce dyad (audio) , -əd \

Definition of dyad

1 : pair specifically, sociology : two individuals (such as husband and wife) maintaining a sociologically significant relationship
2 genetics : a meiotic chromosome after separation of the two homologous (see homologous sense 1a(2)) members of a tetrad
3 mathematics : an operator (see operator sense 3a) indicated by writing the symbols of two vectors (see vector entry 1 sense 1a) without a dot or cross between In the equation D = AB, AB is a dyad.

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Other Words from dyad

dyadic \ dī-​ˈa-​dik How to pronounce dyadic (audio) \ adjective
dyadically \ dī-​ˈa-​di-​k(ə-​)lē How to pronounce dyadically (audio) \ adverb

Examples of dyad in a Sentence

the book examines the doctor-patient dyad from several perspectives
Recent Examples on the Web The professor and the politician are a dyad of perpetual myth. Corey Robin, The New Yorker, "The Professor and the Politician," 12 Nov. 2020 If Blackness is necessary as the inferior pole to an eternal, immutable dyad, nothing can ever change. Hari Kunzru, The New York Review of Books, "The Wages of Whiteness," 8 Sep. 2020 The failure of the psychotherapeutic process is located at its epicenter: the power disparity in the therapeutic dyad. Erica Rex, Scientific American, "The Power of Psychedelics," 12 July 2020 The implications of such a simple ability as Force healing leads us to the final big mythology inclusion in The Rise of Skywalker: the Force dyad. Nick Romano, EW.com, "Here's the deal with the new Force ability in The Rise of Skywalker and The Mandalorian," 24 Dec. 2019 Yet individualism, the other side of that dyad, will not leave Thompson at peace either. Kenneth W. Mack, Washington Post, "A black writer on individualism, identity and indifference in Trump’s America," 19 Dec. 2019 Genetic testing means that clinicians will have to practice genetic counseling at visits that may need to expand from the dyad of patient and caregiver to include an extended and worried family. Jason Karlawish, STAT, "Aducanumab isn’t the simple solution to the complicated Alzheimer’s crisis," 20 Dec. 2019 The dyad-ic duo also uses the Force to stop ships from taking off and pass objects through their Force Facetime sessions. Joey Morona, cleveland, "The Rise of Skywalker 10 burning questions left unanswered in Star Wars saga’s finale (spoilers)," 20 Dec. 2019 The dyad of Disney (with its sanitized and sanctimonious simplicities) and Abrams (with his scrawnily derivative sensibility, an echo of an echo) has become a Death Star. Richard Brody, The New Yorker, "The Robotic Familiarity of “Star Wars: The Rise of Skywalker”," 19 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dyad.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dyad

1675, in the meaning defined at sense 1

History and Etymology for dyad

Late Latin dyad-, dyas, from Greek, from dyo — see dy-

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Last Updated

22 Nov 2020

Cite this Entry

“Dyad.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dyad. Accessed 4 Dec. 2020.

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More Definitions for dyad


variants: also diad \ ˈdī-​ˌad How to pronounce diad (audio) , -​əd How to pronounce diad (audio) \

Medical Definition of dyad

1 : two individuals (as husband and wife) maintaining a sociologically significant relationship
2 : a meiotic chromosome after separation of the two homologous members of a tetrad

Other Words from dyad

dyadic \ dī-​ˈad-​ik How to pronounce dyadic (audio) \ adjective
dyadically \ -​i-​k(ə-​)lē How to pronounce dyadically (audio) \ adverb

More from Merriam-Webster on dyad

Thesaurus: All synonyms and antonyms for dyad

Britannica English: Translation of dyad for Arabic Speakers

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