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dyad

noun

dy·​ad ˈdī-ˌad How to pronounce dyad (audio)
-əd
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.
dyadic adjective
dyadically adverb

Example Sentences

the book examines the doctor-patient dyad from several perspectives
Recent Examples on the Web The implosion of another important health care dyad — clinicians and C-suite administrators — has received much less attention, despite the fact that those relationships are on life support. Christine Bechtel, STAT, 28 July 2022 Caregivers and infants are really a dyad—their outcomes and health play into each other’s, Clayton Shuman, a maternal-infant-health researcher at the University of Michigan, told me. Katharine Gammon, The Atlantic, 18 Feb. 2022 Marrying him was the adventure within the New York adventure, the intimate intellectual dyad within the larger intellectual circle. Maggie Doherty, The New Yorker, 15 Nov. 2021 Could the Biden administration allow a leg of the triad to age out, resulting in a dyad? Kyle Mizokami, Popular Mechanics, 13 Oct. 2021 Remember to consider desire as a broad spectrum, one that includes willingness, not just want, says Guralnik, and create conditions that emphasize a dyad, not just a family matrix. Fiorella Valdesolo, Vogue, 7 Oct. 2021 In a scene reminiscent of The Last Jedi’s throne-room slaughter, Hunter B-15 tosses a dagger to Sylvie, and the dyad of tricksters beheads one of the Time-Keepers before taking on a small battalion of Minutemen. Alex Kane, USA TODAY, 1 July 2021 In 2017 untreated perinatal mood disorders cost $14 billion in the U.S., which amounts to $31,800 per mother-infant dyad. Priya Iyer, Scientific American, 30 Mar. 2021 Human milk feedings have been shown to improve health outcomes across the life course for birthing people and their infants, increase bonding between the dyad, and reduce health care costs. Jamila K. Taylor, Scientific American, 11 Mar. 2021 See More

Word History

Etymology

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

First Known Use

1675, in the meaning defined at sense 1

Time Traveler
The first known use of dyad was in 1675

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