Webster's Revised Unabridged Dictionary · 1913

Rhythmic

Rhythmic (-mik) , adjective

[Greek {not transcribed}: compare Latin rhythmicus, French rhythmique.]

Pertaining to, or of the nature of, rhythm
Day and night I worked my rhythmic thought. — Mrs. Browning
Collocations (1)
Rhythmical accent (Music) , See Accent, n., 6 (c).

Also: Rhythmical