Browse Other O Word Lengths
20-Letter O Words by Ending Letter
All 44 20-Letter Words Starting With O
occipitoatlantoaxial(anatomy) Relating to the articulation of the occiput and atlas with the axis.octadecafluorooctane(organic chemistry) Synonym of perfluorooctane.octahydrocurcuminoidSynonym of octahydrocurcumin, and related compoundsoctahydronaphthaleneA white crystalline solid, used as a reagent in organic synthesis.octylisothiazolinone(chemistry) A compound used as a preservative.oculomandibulofacial(pathology) Affecting the eyes, jaw, and face.oesophagogastroscopyAlternative form of esophagogastroscopy.oesophagogastrostomyAlternative form of esophagogastrostomy.oesophagojejunostomyAlternative form of esophagojejunostomy.oligocellosaccharide(biochemistry) Synonym of cellodextrin.oligochromatographicRelating to oligochromatographyoligodendrogliopathy(pathology) Any disease due to the presence of an oligodendrogliomaoligodeoxynucleotideAny oligonucleotide whose nucleotides contain deoxyriboseoligodesoxythymidineAn oligomer of desoxythymidineoligoglucosaccharide(biochemistry) Any oligosaccharide composed of glucose residuesoligomannosaccharide(biochemistry) An oligosaccharide based on mannose groupsoligoribonucleotidesplural of oligoribonucleotideolivopontocerebellarOf or relating to the olivary body, pons and cerebellum.onychoosteodysplasianail-patella syndromeoophorosalpingectomySynonym of salpingo-oophorectomy.operationalisabilityAlternative spelling of operationalizability.operationalizabilityThe state or characteristic of being capable of being operationalized.ophthalmodynamometerAn instrument that is used to measure blood pressure in the blood vessels of the retinaophthalmodynamometryThe measurement of blood pressure in the blood vessels of the retina.organofunctionalized(chemistry) Describing an inorganic material (or its surface) that has been given extra functionalization by reaction with an organic substrateorganomineralization(geology) The mineralization of organic (biological) materialorganopolymerization(organic chemistry) The polymerization of organic compounds, especially when catalysed by another organic compound.orthochromatophillicMisspelling of orthochromatophilic.orthocomplementation(mathematics) An involution on a complemented lattice which is order-reversing and maps each element to a complement.orthoroentgenographyorthopedic roentgenographyorthotransplantation(surgery) orthotopic transplantationosteoabsorptiometricRelating to osteoabsorptiometryosteodifferentiation(biology) The differentiation of mesenchymal stem cells into bone tissueosteoimmunopathology(immunology, pathology) Any immunopathology of bone tissueotorhinolaryngologicotorhinolaryngologicalovercollectivizationExcessive collectivization.overcompartmentalize(transitive) To compartmentalize more than is suitable or necessary.overenthusiasticallyWith excessive enthusiasm.overimmunosuppressed(immunology) Excessively immunosuppressedoverinstitutionalize(transitive) To institutionalize excessively.overintellectualizedsimple past and past participle of overintellectualizeoverparameterizationThe act or result of overparameterizing.oxyfunctionalization(organic chemistry) oxidative functionalizationoxyhydrochlorinationA specific type of hydrochlorination, where oxygen is used as an oxidizing agent in addition to hydrogen chloride.
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