duality
/duˈæləti/
noun
- A situation in which two opposite or very different ideas, qualities, or parts exist at the same time.
- Many religions teach about the duality of good and evil in the world.
- She felt a duality in her emotions, both excited and nervous about the move.
- The novel explores the duality of human nature, showing both kindness and cruelty.
- In physics and mathematics, the property of having two complementary but different forms or descriptions.
- Wave-particle duality is a key concept in quantum mechanics.
- In geometry, the duality of points and lines allows theorems to be transformed.
- The duality of light means it behaves both as a wave and as a particle.
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