cyclooligopeptideA cyclic oligopeptide (cyclopeptide form of an oligopeptide)
cyclooxygenaseAny of several enzymes that catalyze a cyclooxygenation reaction, but especially the conversion of arachidonic acid into prostaglandins (prostanoids); their inhibition is the mode of action of the NSAIDs aspirin and ibuprofen.
cyclooxygenationA reaction that combines a cyclization and an oxygenation
cyclopaediaThe circle or compass of the arts and sciences (originally, of the seven so-called liberal arts and sciences); circle of human knowledge.
cycloparaphenyleneAny of a group of cyclic hydrocarbons, that are polymers of p-phenylene, that constitute the shortest possible segment of a carbon nanotube
cyclopentadienoneAm unsaturated alicyclic ketone derived from cyclopentadiene; any derivative of this compound
cyclopentadienylThe univalent anion derived from cyclopentadiene; contains a ring of delocalized electrons; forms metallocene compounds with transition metals.
cyclopentamineA sympathomimetic alkylamine, classified as a vasoconstrictor.
cyclopentaneAn alicyclic hydrocarbon, C₅H₁₀; a volatile inflammable liquid, sometimes used as a solvent.
cyclopentannulatedModified by the addition of cyclopentadiene, or by cyclization, to form a cyclopentane ring
cyclopentannulationModification by the addition of, or by cyclization to form, a cyclopentane ring.
cyclopentanoicRelating to cyclopentanoic acid or its derivatives
cyclopentanoidAny organic compound that has a substituted cyclopentane ring
cyclopentanolThe secondary alcohol formally derived from cyclopentane by replacing a hydrogen atom by a hydroxy group
cyclopentanoneThe cyclic ketone derived from cyclopentane by formal replacement of two hydrogen atoms by an oxygen atom; any derivative of this compound
cyclopentitolAny of a group of alcohols derived from an amino-substituted cyclopentene ring
cyclopentolateAn anticholinergic drug used especially in the form of its hydrochloride C₁₇H₂₅NO₃·HCl to dilate the pupil of the eye for ophthalmologic examination.
cyclopentylThe univalent radical derived from cyclopentane by the formal removal of a hydrogen atom.
cyclophaneA hydrocarbon consisting an aromatic unit (typically a benzene ring) and an aliphatic chain that forms a bridge between two positions of the aromatic ring; more complex derivatives (the superphanes) with multiple aromatic units and bridges forming cagelike structures are known.
cyclophellitolA polyhydroxy epoxide, related to xylose, that is a potent β-glucosidase inhibitor
cyclopyrroloneAny of a family of hypnotic and anxiolytic nonbenzodiazepine drugs with similar pharmacological profiles to the benzodiazepine derivatives.
cycloramaA panoramic image displayed on the inside of a cylindrical canvas.
cycloruthenationA ruthenation reaction that involves cyclization
cyclosarinCyclohexyl methylphosphonofluoridate, an extremely toxic nerve gas used as a chemical weapon.
cycloscopeA machine for measuring the velocity of rotation, as of a wheel of a steam engine.
cycloserineA broad-spectrum antibiotic C₃H₆N₂O₂ produced by an actinomycete (Streptomyces orchidaceus) and used especially in the treatment of tuberculosis.
cyclosilazaneany compound consisting of a ring of alternating silicon and nitrogen atoms, especially -[SiH₂NH]ₙ- or its derivatives
cyclosilicateAny of several classes of silicate mineral having rings of silicate anions.
cyclosiloxaneany compound having a ring of alternating silicon and oxygen atoms, especially -[SiH₂-O]ₙ- or its derivatives