ground speed Meaning in Cambridge English Dictionary
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Meaning of "ground speed" - English Dictionary

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ground speednoun [C usually singular]

uk   us   specialized
An aircraft's ground speed is its speed when measured against the ground rather than the air through which it moves.
Translations of “ground speed”
in Chinese (Traditional) 地速(指飛機飛行時相對於地面的水準速度)…
in Chinese (Simplified) 地速(指飞机飞行时相对于地面的水平速度)…
(Definition of ground speed from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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