Definitions
(geometry) the interchangeability of the roles of points and planes in the theorems of projective geometry
Word origin
From Latin duālitās.
Used in a sentence
“He was fascinated by the duality of human nature.”
“the moral duality of certain characters”
“Mother Nature's eternal duality, both life-giving and destructive”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Twofold nature”7 letters
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