sweepback

[sweep-bak]

sweep·back

[sweep-bak]
noun Aeronautics.
the shape of, or the angle formed by, an airplane wing or other airfoil the leading or trailing edge of which slopes backward from the fuselage.

Origin:
1915–20; noun use of verb phrase sweep back
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Sweepback is always a great word to know.
So is bulk modulus. Does it mean:
coefficient of substance's elasticity expressing ratio between pressure and fractional change
property of a substance to change form due to force and recover original form upon force's removal
Collins
World English Dictionary
sweepback (ˈswiːpˌbæk)
 
n
the rearward inclination of a component or surface, such as an aircraft wing, fin, etc

Collins English Dictionary - Complete & Unabridged 10th Edition
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