| CONTRAPROPELLER | • CONTRAPROPELLER n. one of a pair of propellers rotating in opposite directions. |
| EPIPHENOMENALLY | • epiphenomenally adv. In an epiphenomenal manner. • EPIPHENOMENAL adv. of or relating to an epiphenomenon. |
| MEGASPOROPHYLLS | • megasporophylls n. Plural of megasporophyll. • MEGASPOROPHYLL n. a specialised leaf bearing or subtending one or more megasporangia. |
| MONOPROPELLANTS | • monopropellants n. Plural of monopropellant. • MONOPROPELLANT n. a rocket propellant containing both the fuel and the oxidizer in a single substance. |
| OPHTHALMOPLEGIA | • ophthalmoplegia n. (Medicine) A complete paralysis of the extraocular muscles which are responsible for eye movements. • OPHTHALMOPLEGIA n. paralysis of the ocular muscles. |
| PALAEOGRAPHICAL | • palaeographical adj. Of or pertaining to palaeography. • palæographical adj. Obsolete spelling of paleographical. • PALAEOGRAPHICAL adj. related to palaeography, the study of ancient writings, also PALEOGRAPHIC. |
| PALAEOPATHOLOGY | • palaeopathology n. Alternative form of paleopathology. • PALAEOPATHOLOGY n. the pathological study of the ancient remains of animals and humans. |
| PALAEOPHYTOLOGY | • palaeophytology n. Alternative form of paleophytology. • PALAEOPHYTOLOGY n. the study of fossil plants, palaeobotany. |
| PARALLELOPIPEDA | • PARALLELOPIPEDA plural of parallelopipedon* (which has sixteen letters), a solid figure bounded by six parallelograms, opposite pairs being identical and parallel. |
| PARALLELOPIPEDS | • parallelopipeds n. Plural of parallelopiped. • PARALLELOPIPED n. a solid figure bounded by six parallelograms, opposite pairs being identical and parallel. |
| PHENOLPHTHALEIN | • phenolphthalein n. (Chemistry, pharmacology) A white or yellowish-white crystalline compound C20H14O4 used in medicine… • phenol␣phthalein n. (Chemistry) A white or yellowish-white crystalline substance made from phthalic acid and phenol. Its… • PHENOLPHTHALEIN n. a crystalline compound used as an indicator. |
| PLAGIOCEPHALIES | • plagiocephalies n. Plural of plagiocephaly. • PLAGIOCEPHALY n. a twisted condition of the head, the front of the skull being larger on one side, the back larger on the other. |
| POLYPHLOESBOEAN | • polyphloesboean adj. (Poetic) Loudly roaring; used to describe the ocean. • POLYPHLOESBOEAN adj. loud-roaring, also POLYPHLOISBIC. |
| PREPOSITIONALLY | • prepositionally adv. In a prepositional manner. • prepositionally adv. As a preposition. • PREPOSITIONAL adv. relating to a preposition. |
| PROPRIETORIALLY | • proprietorially adv. In a proprietorial manner; like an owner. • PROPRIETORIAL adv. relating to ownership. |
| PSEPHOLOGICALLY | • psephologically adv. In terms of, or by means of, psephology. • PSEPHOLOGICAL adv. related to psephology. |