cyclic
adjective
[ ˈsʌɪklɪk ]
• occurring in cycles; regularly repeated.
• "the cyclic pattern of the last two decades"
• relating to a circle or other closed curve.
• (of a compound) having a molecular structure containing one or more closed rings of atoms.
• "a cyclic sulphonium salt"
• (of a flower) having its parts arranged in whorls.
Origin:
late 18th century: from French cyclique or Latin cyclicus, from Greek kuklikos, from kuklos ‘circle’.