duality

noun

du·​al·​i·​ty dü-ˈa-lə-tē 

 also  dyü-

plural dualities

: the quality or state of having two different or opposite parts or elements : dualism

That duality—sophistication paired with authenticity on the wine list, simplicity spiced with creativity on the menu—gives Marea energy and distinctive character.

—Thomas Matthews

Another series from later years consisted of views of New York skyscrapers … which incorporate abstract patterns of light and shadow that express the duality of feeling, the fascination and loathing he had come to feel for the city.

—Naomi Rosenblum

By the wave/particle duality of quantum mechanics, light can be regarded as both a wave and a particle.

—Stephen Hawking

also : a difference between two opposite things : a division into two opposite groups : dichotomy

For the most part Prince seems to be hoisting himself on the horns of the same duality that inspires most of his song lyrics: spirituality vs. carnality.

—David Hiltbrand

As my meditation teacher says, "Judgment is a form of violence to yourself as well as others. It creates duality and separates you from others."

—Yoga Journal

Examples of duality in a Sentence

the duality of human nature

They discussed the dualities of the novel's characters.

Recent Examples on the Web

There aren’t many technology firms focused on developing network solutions that span moonshots and penalty shots, but there’s sometimes a different attitude towards innovation in the Far East where NTT originates, so this duality is possibly perceived with more credibility on home soil first. —Adrian Bridgwater, Forbes, 21 Nov. 2024

The duality of dark and light is key to witchcraft, and to the most impactful TV witches on our list. —Katie Rife, Vulture, 16 Oct. 2024

String theory is quite interesting because of the idea of duality. —Amanda Gefter, Quanta Magazine, 25 Sep. 2024

Bates masterfully balances her character’s duality — unassuming old lady, and flinty, formidable adversary — and the show fuses case-of-the-week entertainment with a timely overarching mystery. —Kristen Baldwin, EW.com, 24 Sep. 2024

Word History

First Known Use

1532, in the meaning defined above