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All 35 Matching Words

objectionismA policy of objecting to something; opposition.obscurantismA state of opposition to human progress or enlightenment.obsessionismObsessiveness.octopodiformA cephalopod of the superorder Octopodiformes, comprising octopuses and vampire squid.oecumenicismAlternative form of ecumenicism.oestrogenismAlternative form of estrogenism.oligophagismSynonym of oligophagy.omnigatherumomnium-gatherumoosporangium(botany) An oogonium.operationism(philosophy) The doctrine that the meaning of a term consists of the operation(s) performed in defining itoperculiform(botany, zoology) Having the form of a lid or cover.organobarium(organic chemistry) Describing any organic compound containing a carbon-to-barium bond.organocerium(organic chemistry) Describing any organic compound containing a carbon to cerium bond.organocesium(organic chemistry) Describing any organic compound containing a carbon to cesium bond.organoerbium(organic chemistry) Describing any organic compound containing a carbon to erbium bond.organoindium(organic chemistry) Describing any organic compound containing a carbon-to-indium bond.organoosmium(organic chemistry) Describing any organic compound containing a carbon-to-osmium bond.organosodium(organic chemistry) Describing any organic compound containing a carbon to sodium bond.orgiasticismWild, uncontrolled behaviour (especially sexual), like that of an orgy.ornithogalum(botany) Any plant of the genus Ornithogalum.orthodiagramThe record made by an orthodiagraph.orthophemismAn orthophemistic term, one that is neither euphemism nor dysphemism.orthostatism(uncommon) Synonym of orthostasis (“an upright standing position”).orthosterism(biology, of a receptor) The condition of being orthostericorthotropismThe property of being orthotropic or orthotropous.osteocranium(anatomy) The bony cranium, as distinguished from the cartilaginous cranium.osteospermumAny of the genus Osteospermum of subshrubs.osteotropismThe condition of being osteotropicostraciiformCharacteristic of boxfish of the family OstraciidaeoveridealismExcessive idealism.overoptimismExcessive optimism.oxacarbeniumAlternative form of oxocarbenium.oxocarbenium(organic chemistry) Any canonical form of a carbocation having the positive charge on an oxygen atomoxycarbenium(organic chemistry) Any cation of general formula R=O⁺-RoxycephalismSynonym of oxycephaly.