Femtomachine
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 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.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.