femtomachine

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English[edit]

Etymology[edit]

From femto- +‎ machine, by analogy with micromachine, nanomachine, and so on.

Noun[edit]

femtomachine ‎(plural femtomachines)

  1. (very rare) A (hypothetical or fictional) machine on the femto scale; that is, a mechanical device whose size is on the order of the femtometer.
    • 2002, Greg Egan, Schild's Ladder, HarperCollins (2004), ISBN 978-0-06-107344-1, page 21:
      Femtomachines built from exotic nuclei had been employed as special-purpose computers ever since the basic design had been developed, six thousand years before.