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cyclisation
cyclist
cyclization
cyclo-
cyclo-cross
cyclo-oxygenase
cyclo-oxygenase-2 inhibitor
cycloaddition
cycloaliphatic
cycloalkane
cyclogenesis
cyclohexane
cyclohexanone
cycloheximide
cyclohexylamine
cycloid
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cyclopentadiene
cy·clo·pen·ta·di·ene [ sklō pentə dn ]


noun 
Definition:
 
liquid alkene: a colorless liquid cyclic alkene, used in the manufacture of insecticides. C5H6
[Mid-20th century. <cyclo- + pentane + di-1 + -ene]
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