tortuosity

== English == === Etymology === From tortuo(u)s +‎ -ity, from Latin tortuositas; compare French tortuosité. === Noun === tortuosity (countable and uncountable, plural tortuosities) tortuousness; tortuous condition or nature. Crookedness. (physics) A property of curve being tortuous, commonly used to describe diffusion in porous media. ==== Translations ==== === Further reading === tortuosity on Wikipedia.Wikipedia