| COHOMOLOGICAL | • cohomological adj. Of or pertaining to cohomology. • COHOMOLOGICAL adj. relating to cohomology. |
| COMPANIONHOOD | • companionhood n. The role or status of companion. • COMPANIONHOOD n. the state of being a companion. |
| HOMOLOGATIONS | • homologations n. Plural of homologation. • HOMOLOGATION n. confirmation, agreement. |
| HOMOLOGOUMENA | • Homologoumena n. (Christianity) Those books of the New Testament which were acknowledged as canonical by the early church;… • HOMOLOGOUMENA n. the books of the New Testament whose authenticity was universally acknowledged in the early Church, also HOMOLOGUMENA. |
| MONOCHROMATOR | • monochromator n. (Physics) An optical device, consisting of one or more slits, that selects a narrow band of wavelengths… • MONOCHROMATOR n. a device for isolating a narrow portion of a spectrum. |
| NONAUTONOMOUS | • nonautonomous adj. Not autonomous. • NONAUTONOMOUS adj. not autonomous. |
| NONMONOGAMOUS | • nonmonogamous adj. Not monogamous. • NONMONOGAMOUS adj. not monogamous. |
| OMMATOPHOROUS | • OMMATOPHOROUS adj. of or like ommatophore, an eyestalk, as in snails. |
| OMOPLATOSCOPY | • omoplatoscopy n. Divination by use of a shoulder blade. • OMOPLATOSCOPY n. divination by observing the cracks in a burning shoulder-blade. |
| ONOMATOLOGIES | • onomatologies n. Plural of onomatology. • ONOMATOLOGY n. the science of names. |
| ONOMATOLOGIST | • onomatologist n. One versed in the history of names. • ONOMATOLOGIST n. one who studies onomatology, the science of names. |
| ONOMATOPOEIAS | • onomatopoeias n. Plural of onomatopoeia. • onomatopœias n. Plural of onomatopœia. • ONOMATOPOEIA n. the naming of a thing or action by a vocal imitation of the sound associated with it, also ONOMATOPOESIS, ONOMATOPOIESIS. |
| ONOMATOPOESES | • ONOMATOPOESIS n. onomatopoeia, also ONOMATOPOEIA, ONOMATOPOIESIS. |
| ONOMATOPOESIS | • onomatopoesis n. Onomatopoeia. • ONOMATOPOESIS n. onomatopoeia, also ONOMATOPOEIA, ONOMATOPOIESIS. |
| ONOMATOPOETIC | • onomatopoetic adj. (Uncommon) Synonym of onomatopoeic. • ONOMATOPOETIC adj. onomatopoeic. |
| OUTDOORSWOMAN | • outdoorswoman n. The female equivalent of an outdoorsman. |