decalage

noun
dec·​a·​lage | \ ¦dekə¦läzh, ¦dāk- \
plural -s

Definition of decalage

: the difference between the angles of incidence of the two wings of a biplane that is positive if the incidence of the upper wing is greater than that of the lower

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History and Etymology for decalage

French décalage action of putting out of alignment, displacement, removal of a wedge, from décaler to put out of alignment, shift, remove a wedge from (from dé- de-—from Old French des-—+ caler to wedge, chock, from cale wedge, from German keil, from Old High German kīl) + -age

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Cite this Entry

“Decalage.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decalage. Accessed 7 Mar. 2021.

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