Rhythmics
ahd-5
noun.
The study of rhythm.
The Century Dictionary and Cyclopedia
noun.
The science of rhythm and of rhythmical forms.
the GNU version of the Collaborative International Dictionary of English
noun.
The department of musical science which treats of the length of sounds.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
The study of
rhythm
.
Word Usage
"The lesson would begin with work in various rhythms (a kind of rhythmics), and end with choreography.”"