biplane
Speech parts
1. biplane - Noun
2. biplane - Adjective
3. biplane - Verb
Meaning
old fashioned airplane; has two wings one above the other
Source: WordNetSynonyms
Antonyms
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Examples
A biplane wing of a given span and chord has twice the area of a monoplane the same size and so can fly more slowly, or for a given flight speed can lift more weight.
A braced monoplane wing must support itself fully, while the two wings of a biplane help to stiffen each other.
A biplane model with a two-foot wingspan was used for the shot of the biplane detaching.
A disadvantage of the biplane was the need for extra struts to space the wings apart, although the bracing required by early monoplanes reduced this disadvantage.
Advantages and disadvantages The primary advantage of the biplane over the more traditional single plane or monoplane is to combine great stiffness with light weight.
Alternatively, a biplane wing of the same area as a monoplane has lower span and chord, reducing the structural forces and allowing it to be lighter.