emulator

Meanings

1. 1
   noun

   hardware or software that imitates another system, or one who emulates

   The emulator let old console games run on a modern laptop.

From Latin aemulator ('a rival, imitator'), agent noun from aemulari ('to rival, strive to equal'), from aemulus ('rivaling'); the computing sense of imitating one system on another is a 20th-century specialization.

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