| MONOPOLISATIONS | • MONOPOLISATION n. the act of monopolising, also MONOPOLIZATION. |
| MONOSTOMOUS | • monostomous adj. (Zoology) Having a single mouth or similar opening. • MONOSTOMOUS adj. having only one mouth, pore or similar opening, also MONOSTOME. |
| MONOTONOUSNESS | • monotonousness n. The property of being monotonous. • MONOTONOUS n. uttered or sounded in one unvarying tone. |
| ODONTOGLOSSUM | • odontoglossum n. Any of very many orchids of the genus Odontoglossum. • ODONTOGLOSSUM n. any of a genus of widely cultivated tropical American orchids. |
| ODONTOGLOSSUMS | • odontoglossums n. Plural of odontoglossum. • ODONTOGLOSSUM n. any of a genus of widely cultivated tropical American orchids. |
| ODONTOSTOMATOUS | • ODONTOSTOMATOUS adj. having biting or toothed jaws. |
| OMOPLATOSCOPIES | • OMOPLATOSCOPY n. divination by observing the cracks in a burning shoulder-blade. |
| ONOMATOLOGISTS | • onomatologists n. Plural of onomatologist. • ONOMATOLOGIST n. one who studies onomatology, the science of names. |
| ONOMATOPOESES | • ONOMATOPOESIS n. onomatopoeia, also ONOMATOPOEIA, ONOMATOPOIESIS. |
| ONOMATOPOESIS | • onomatopoesis n. Onomatopoeia. • ONOMATOPOESIS n. onomatopoeia, also ONOMATOPOEIA, ONOMATOPOIESIS. |
| ONOMATOPOIESES | • ONOMATOPOIESIS n. onomatopoeia, also ONOMATOPOEIA, ONOMATOPOESIS. |
| ONOMATOPOIESIS | • onomatopoiesis n. Onomatopoeia. • ONOMATOPOIESIS n. onomatopoeia, also ONOMATOPOEIA, ONOMATOPOESIS. |
| OOPHORECTOMISES | • OOPHORECTOMISE v. to perform an oophorectomy, removal of one or both ovaries, also OOPHORECTOMIZE. |
| OPISTHODOMOS | • opisthodomos n. (Greek architecture) A porch at the rear of a temple, set against the blank back wall of the cella. • OPISTHODOMOS n. (Greek) a portico or apartment at the back of an ancient Greek or Roman temple. |
| PHOTOCOMPOSERS | • photocomposers n. Plural of photocomposer. • PHOTOCOMPOSER n. one who photocomposes. |
| PHOTOCOMPOSES | • photocomposes v. Third-person singular simple present indicative form of photocompose. • PHOTOCOMPOSE v. to set (as reading matter) by photocomposition. |