| MONOCOTYLEDON | • monocotyledon n. (Botany) Any plant whose seedlings typically have one cotyledon (seed leaf) (in contrast to the two… • MONOCOTYLEDON n. a plant having a single cotyledon, also MONOCOT, MONOCOTYL. |
| MONOCOTYLEDONS | • monocotyledons n. Plural of monocotyledon. • MONOCOTYLEDON n. a plant having a single cotyledon, also MONOCOT, MONOCOTYL. |
| MONOPHYODONT | • monophyodont adj. (Biology) Having only one set of teeth. • monophyodont n. (Biology) Any organism with only one set of teeth. • MONOPHYODONT n. an animal with only one set of teeth. |
| MONOPHYODONTS | • monophyodonts n. Plural of monophyodont. • MONOPHYODONT n. an animal with only one set of teeth. |
| 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. |
| ODONTOMATOUS | • odontomatous adj. Relating to an odontoma. • ODONTOMATOUS adj. like an odontoma, a tumour arising in connection with the teeth. |
| ODONTOSTOMATOUS | • ODONTOSTOMATOUS adj. having biting or toothed jaws. |
| OOPHORECTOMISED | • oophorectomised v. Simple past tense and past participle of oophorectomise. • OOPHORECTOMISE v. to perform an oophorectomy, removal of one or both ovaries, also OOPHORECTOMIZE. |
| OOPHORECTOMIZED | • oophorectomized v. Simple past tense and past participle of oophorectomize. • OOPHORECTOMIZE v. to perform an oophorectomy, removal of one or both ovaries, also OOPHORECTOMISE. |
| OPISTHODOMOI | • opisthodomoi n. Plural of opisthodomos. • OPISTHODOMOS n. (Greek) a portico or apartment at the back of an ancient Greek or Roman temple. |
| 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. |
| OUTDOORSWOMAN | • outdoorswoman n. The female equivalent of an outdoorsman. |
| OUTDOORSWOMEN | • outdoorswomen n. Plural of outdoorswoman. |
| PHOTOCOMPOSED | • photocomposed v. Simple past tense and past participle of photocompose. • PHOTOCOMPOSE v. to set (as reading matter) by photocomposition. |