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profile drag

noun
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Definition of profile drag

aeronautics
: the portion of the wing drag that is due to friction and turbulence in the fluid and that would be absent if it were nonviscous

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“Profile drag.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/profile%20drag. Accessed 10 December 2019.

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