[ 'vɔ:tɛks ]
■ noun ( plural ~es or vortices -tɪsi:z ) a whirling mass, especially a whirlpool or whirlwind.
Derivatives
vortical adjective
vortically adverb
vorticity vɔ:'tɪsɪti noun
vorticose adjective
vorticular vɔ:'tɪkjʊlə adjective
Origin
C17: from L. ~ , vortic- , lit. 'eddy', var. of vertex .