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inviscid

[ in-vis-id ]
/ ɪnˈvɪs ɪd /
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adjective
(of a fluid) having no viscosity.
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Also nonviscous.

Origin of inviscid

First recorded in 1910–15; in-3 + viscid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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