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phugoid
adjective
phu·goid
\ˈfyüˌgȯid\
Definition of phugoid
: of, relating to, or representing variations in the longitudinal motion or course of the center of mass of an airplane in flight
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Origin and Etymology of phugoid
irregular from Greek phygē act of fleeing, avoidance, flight + English -oid; akin to Greek pheugein to run away, flee
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