vortex
Pronunciation: /ˈvɔːtɛks/
noun ( plural vortexes or vortices /-tɪsiːz/)


Origin:
mid 17th century: from Latin vortex, vortic-, literally 'eddy', variant of vertex

Spelling help
The plural of vortex can be spelled either vortexes or vortices (as in the original Latin).