It is the manipulation of the length of shots in relation to one another to create a desired effect.
Editing
The term for the rhythmic pairing of two-notes against three-notes is called "polyrhythm."
Metre
Peristalsis is the term for the rhythmic contractions of the esophagus. These wavelike contractions move food toward the stomach.
Maternal relations (as opposed to paternal relations)
Relations.
Labor - APEXLabor
Another term for power relations is "power dynamics." This term refers to the ways in which power is maintained, exerted, and negotiated in various social contexts.
Rhythmic WHAT?
Rhythmic WHAT?
I believe you are going for the term rubato.