DadgogoAI Dictionary

Dictionary entry

digital twin

noun \ˈdi-jə-tᵊl ˈtwin\
TopicRobotics & Physical AI First known use2002 Senses1
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Definition of digital twin

  1. : a detailed virtual copy of a real object, building, factory, or city, kept updated with real data so it can be monitored and used to test changes in simulation

    • The city's digital twin shows how a new subway line would change traffic.
    • Robots are trained in a digital twin of the warehouse before going live.

Origin & history

first known use2002

The concept was introduced in manufacturing in the early 2000s and later adopted by NASA and urban planners.

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Related terms

physical AI AI that understands and acts in the physical world, powering robots, self-driving cars… world model an AI system that learns how the physical world behaves, such as how objects move and react…

Cite this entry

"Digital twin." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/digital-twin/. Accessed 4 Oct. 2026.

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