cyclo-

1.
a combining form meaning “cycle,” used in the formation of compound words:
cyclohexane.
Also, especially before a vowel, cycl-.
Origin
< Greek kyklo-, combining form of kýklos circle, ring; cognate with Sanskrit cakra, wheel
British Dictionary definitions for cyclo-

cyclo-

combining form
1.
indicating a circle or ring: cyclotron
2.
denoting a cyclic compound: cyclohexane
Word Origin
from Greek kukloscycle
Word Origin and History for cyclo-

before a vowel, cycl-, word-forming element meaning "circle, ring, rotation," from Latinized form of Greek kyklo-, comb. form of kyklos "circle, wheel, ring" (see cycle (n.)).

cyclo- in Medicine

cyclo- or cycl-
pref.
Circle; cycle: cyclophoria. A cyclic compound: cyclopeptide.