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Definition of monoplane

monoplane

/ˈmɒn.ə.pleɪn/
mon · o · plane
Plural:monoplanes
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monoplane Lexical Profile

monoplane Game Scores & Validity

• noun

1

An airplane with only one pair of main wings.

Example

"The museum's aviation exhibit features a restored 1930s monoplane that revolutionized long-distance travel."

Synonyms
View all synonyms for monoplane
Antonyms
View all antonyms for monoplane

Word Nuance & Usage

While virtually all modern fixed-wing aircraft are technically monoplanes, the term is primarily used in historical aviation contexts to distinguish them from earlier biplane or triplane designs.

• Nearby Words

monologue
monongahela
mononucleosis
monoplane
monopod
monopolist
monopolistic

Word Origin & Etymology

Coined in the early 20th century during the early days of aviation, combining the Greek prefix 'mono-' (single) with 'plane' (short for aeroplane or airplane).

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Monoplane. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/monoplane
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