Standard Lemma guide
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noun
A (hypothetical or fictional) machine on the femto scale; that is, a mechanical device whose size is on the order of the femtometer.
Definition source: English Wiktionary via Wiktextract
Usage: rare
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From femto- + machine, by analogy with micromachine, nanomachine, and so on.
