harmonic engine

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|historical}} A [[machine]] in which the [[energy]] of an [[electric current]] is used, by means of two small [[electromagnet]]s, to keep up the [[vibration]]s of a large and heavily-weighted [[tuning fork]] whose arms are connected to two [[piston]]s working a [[miniature]] [[pump]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.