adjective phu·goid \ˈfyüˌgȯid\

Definition of phugoid

  1. :  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 — more at fugitive

Seen and Heard

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to cast off or become cast off

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