15-Letter Words Starting With O and Ending With M

Explore 26 matching words, including obliterationism, octogenarianism, oligospermatism, oneirocriticism, opisthocomiform.

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All 26 Matching Words

obliterationismA policy of obliteration.octogenarianismThe state or condition of being an octogenarian.oligospermatismSynonym of oligospermia.oneirocriticismdream interpretationopisthocomiformAny bird of the order Opisthocomiformesorganoaluminium(organic chemistry) Describing any organic compound containing a carbon to aluminium bondorganofleroviumDescribing any organic derivative of flerovium, especially one that has a carbon-flerovium bondorganogermanium(organic chemistry) Describing any organic compound containing a carbon to germanium bondorganolanthanum(organic chemistry) Describing any organic compound containing a carbon to lanthanum bond.organomagnesium(organic chemistry) Describing any organic compound containing a carbon to magnesium bondorganoneodymium(organic chemistry) Describing any organic compound containing a carbon to neodymium bond.organopalladium(organic chemistry) Describing any organic compound containing a carbon to palladium bondorganoplutonium(organic chemistry) Describing any organic compound containing a carbon to plutonium bond.organopotassium(organic chemistry) Describing any organic compound containing a carbon to potassium bond.organoruthenium(organic chemistry) Describing any organic compound containing a carbon to ruthenium bondorganostrontium(organic chemistry) Describing any organic compound containing a carbon-to-strontium bond.organotellurium(organic chemistry) Describing any organic compound containing a carbon to tellurium bond.organoytterbium(organic chemistry) Describing any organic compound containing a carbon to ytterbium bond.organozirconium(organic chemistry) Describing any organic compound containing a carbon to zirconium bond.orphanotrophism(dated, rare) The care and support of orphans.orphanotrophium(historical) A kind of orphanage in ancient times.orthocharmonium(particle physics) The form of charmonium in which the spins of the two quarks are parallel.orthochromatismQuality of being orthochromatic.orthoquarkonium(particle physics) A form of quarkonium where the spins of the constituent quarks are parallel.osteocatabolismThe catabolism of bone tissueosteoglossiformAny fish of the order Osteoglossiformes