Bible Dictionaries
Vortex Line

Webster's Dictionary

A line, within a rotating fluid, whose tangent at every point is the instantaneous axis of rotation as that point of the fluid.

Bibliography Information
Webster, Noah. Entry for 'Vortex Line'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​v/vortex-line.html. 1828.