| OPHIURAN | • ophiuran adj. (Zoology) Of or relating to the Ophiuroidea. • ophiuran n. (Zoology) Any member of the echinoderm class Ophiuroidea; a brittle star. • OPHIURAN n. a member of the Ophiura genus of brittle-stars or sand-stars, also OPHIURA, OPHIURID, OPHIUROID. |
| PAGURIAN | • PAGURIAN n. a hermit crab, also PAGURID. |
| PAINTURE | • painture n. (Obsolete) The art of painting. • painture n. (Obsolete, countable) A painting. • PAINTURE n. the art of painting. |
| PINNULAR | • pinnular adj. Relating to a pinnula. • PINNULAR adj. relating to a pinnula. |
| PLANURIA | • PLANURIA n. the discharge of urine through an abnormal passage, also PLANURY. |
| PRUSSIAN | • Prussian adj. Of, from, or pertaining to Prussia. • Prussian prop.n. The Prussian language; see Old Prussian and New Prussian. • Prussian n. A native or inhabitant of the geographical region of Prussia. |
| PULVINAR | • pulvinar n. (Anatomy) A prominence on the posterior part of the thalamus of the human brain. • pulvinar n. (Obsolete) A pillow or cushion. • pulvinar adj. Padded; formed like a cushion. |
| PURITANS | • puritans n. Plural of puritan. • Puritans n. Plural of Puritan. • PURITAN n. a person who is strictly moral in conduct. |
| PURSLAIN | • purslain n. (Archaic) Alternative form of purslane. • PURSLAIN n. a pot herb and salad herb, also PERSELINE, PURSLANE. |
| UNIPOLAR | • unipolar adj. Having a single pole. • unipolar adj. (Psychology, medicine) Not both depressive and manic; not bipolar. • unipolar adj. (Politics) Of or relating to an international system in which one state wields most of the cultural… |
| UNPAIRED | • unpaired adj. Not forming one of a pair. • unpaired v. Simple past tense and past participle of unpair. • UNPAIRED adj. not paired. |
| UNPRAISE | • UNPRAISE v. to deprive of praise. |
| UNREPAID | • unrepaid adj. (Of a loan etc.) not yet repaid. • UNREPAID adj. not repaid. |
| UNREPAIR | • unrepair n. An unsound state, as that of a building; dilapidation. • UNREPAIR n. a lack of repair. |
| UPRATING | • uprating v. Present participle of uprate. • uprating n. The assignment of a higher rating. • uprating n. An upgrade. |
| UPTRAINS | • uptrains v. Third-person singular simple present indicative form of uptrain. • UPTRAIN v. (obsolete) to train up, educate. |