replicator

noun2

1. •
   A technological device that replicates physical objects.

   • Why, this planet was still centuries away from developing such necessities as personal replicators or portable nano-intelligences... — 2001
2. •
   Something capable of self-replication, like a gene or meme.

   • We, alone on earth, can rebel against the tyranny of the selfish replicators. — 1976