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Definition of magneto

magneto

/mæɡˈniːtoʊ/
mag · ne · to
Plural:magnetos
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magneto Lexical Profile

magneto Game Scores & Validity

• noun

1

A small electrical generator containing permanent magnets, used to provide high-voltage pulses to the spark plugs in some internal combustion engines, particularly in aviation, lawnmowers, and older vehicles.

Example

"The mechanic inspected the aircraft's dual magneto system to ensure the engine would start reliably in mid-air."

Synonyms
View all synonyms for magneto

• Rhymes for magneto

• Nearby Words

magma
magnesium
magnet
magneto
magnifier
magnifying glass
magnolia

Word Origin & Etymology

Late 19th century: an abbreviation of 'magneto-electric machine', formed from 'magnet' plus the combining vowel '-o'.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Magneto. In Wordmom Dictionary. Retrieved Oct 15, 2026, from https://wordmom.com/dictionary/magneto
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