The study of rhythm.

Of or relating to rhythm. / Characterized by rhythm. / Written in verse, especially rhyming verse. / With regular, repetitive motion or sound.

rhythmic

in a rhythmical manner / with reference to rhythm

plural of rhythmicity

The quality or state of having a rhythm

Quality of being rhythmical.

plural of rhythmicality

The quality of being rhythmical.

Third-person singular simple present indicative form of rhythmicize