Meaning & use
Inviscid
Last updated
Having no viscosity; offering no internal resistance to flow (used of an idealized fluid in physics).
See it in a sentence
Engineers often model airflow as inviscid to simplify early calculations before adding friction effects.
An inviscid fluid, unlike real water, would flow around an obstacle without losing any energy to drag.
A note on using this word
Truly inviscid fluids don't exist in nature; the concept is a simplifying assumption used in fluid dynamics before accounting for real-world viscosity.
Words with a similar meaning
frictionlessnonviscous
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Words with an opposite meaning
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