cyclo-

cyclo- or cycl-

pref.

1. Circle; cycle: cyclorama.

2. A cyclic compound: cyclohexane.

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[Greek kuklo-, from kuklos, circle; see k^wel-¹ in Indo-European roots.]

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cyclo- or before a vowel cycl-

combining form

1. indicating a circle or ring: cyclotron

2. Chem denoting a cyclical compound: cyclopropane [Greek kuklos cycle]