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All 39 Matching Words

observatorium(archaic or non-native speakers' English) An observatory.obstructivismA tendency to obstruct the activities of others.obtrapeziform(botany, of a leaf) trapeziform, but attached by the narrower trapezoidal baseoccasionalism(philosophy, uncountable) A metaphysical doctrine that holds that all events are occasioned (caused) by God.occidentalismThe habits and attitudes of westerners.occupationismCollaborationism.octapalladium(chemistry, in combination) Eight palladium atoms or cations in a molecule (Pd₈)octylammonium(organic chemistry) The univalent cation obtained by protonation of octylamine CH₃(CH₂)₇NH₃⁺odontoglossumAny of very many orchids of the genus Odontoglossum.oesophagogramAlternative form of esophagogram.oleocystidium(mycology) A cystidium which is leaking an oily substance.oleosaccharumAn oil-sugar; a preparation made by saturating thirty grains of sugar with one drop of volatile oil.oppositionismA policy of opposition (principally in politics)oppressionismSynonym of oppression.orangeblossomUncommon form of orange blossom.orchideliriumSynonym of orchidomania.organocadmium(organic chemistry) Describing any organic compound containing a carbon to cadmium bondorganocaesiumAlternative form of organocesium.organocalcium(organic chemistry) Describing any organic compound containing a carbon to calcium bond.organogallium(organic chemistry) Describing any organic compound containing a carbon-to-gallium bond.organohafnium(organic chemistry) Describing any organic compound containing a carbon-to-hafnium bond.organoiridium(organic chemistry) Describing any organic compound containing a carbon to iridium bond.organolithium(organic chemistry) Describing any organic compound containing a carbon to lithium bond.organoniobium(organic chemistry) Describing any organic compound containing a carbon to niobium bond.organorhenium(organic chemistry) Describing any organic compound containing a carbon to rhenium bond.organorhodium(organic chemistry) Describing any organic compound containing a carbon-to-rhodium bond.organothorium(organic chemistry) Describing any organic compound containing a carbon to thorium bond.organotropismThe affinity of certain substances, or of certain microorganisms, for particular tissues or organs.organouranium(organic chemistry) Describing any organic compound containing a carbon-to-uranium bond.organoyttrium(organic chemistry) Describing any organic compound containing a carbon to yttrium bond.ornamentalismAny artistic or architectural style characterised by ornamentation.orthognathism(anatomy) The quality of being orthognathous.orthomorphism(mathematics) A morphism that is also a permutationosteolepiform(zoology) Any extinct fish of the order OsteolepiformesosteotrophismMisspelling of osteotropism.overcriticismExcessive criticism.overdogmatismExcessive dogmatism.overpessimismExcessive pessimism.ovoviviparismThe quality of being ovoviviparous.