phugoid

American

[fyoo-goid] / ˈfju gɔɪd /

adjective

Aerospace.

of or relating to long-period oscillation in the longitudinal motion of an aircraft, rocket, or missile.

1905–10; irregular < Greek phyg ( ḗ ) flight + -oid

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023