Femtomachine

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A (hypothetical or fictional) machine on the femto scale; that is, a mechanical device whose size is on the order of the femtometer. rare

    "Femtomachines built from exotic nuclei had been employed as special-purpose computers ever since the basic design had been developed, six thousand years before."

Example

More examples

"Femtomachines built from exotic nuclei had been employed as special-purpose computers ever since the basic design had been developed, six thousand years before."

Etymology

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

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.