Noun
hemiola (plural hemiolas)
(music) The articulation of two bars in triple time as if they were three bars in duple time.
A hemiola can also be seen as one straight measure in 3 with one long chord and one short chord and a syncope in the measure thereafter, with one short chord and one long chord. Source: Internet
The composite melody is an embellishment of the 3:2 cross-rhythm (also known as a hemiola ). Source: Internet