| LOPHOBRANCHIATE | • lophobranchiate adj. (Zoology) Of or pertaining to the Lophobranchii. • LOPHOBRANCHIATE n. any fish of the seahorse and pipefish genus. |
| NEPHROBLASTOMAS | • nephroblastomas n. Plural of nephroblastoma. • NEPHROBLASTOMA n. a tumour on the kidneys. |
| NONCOMPRESSIBLE | • noncompressible adj. Not compressible. • NONCOMPRESSIBLE adj. not compressible. |
| NONSAPONIFIABLE | • nonsaponifiable adj. Not saponifiable. • NONSAPONIFIABLE adj. not saponifiable, capable of being converted into soap. |
| PALAEOBOTANICAL | • palaeobotanical adj. Alternative spelling of paleobotanical. • PALAEOBOTANICAL adj. relating to palaeobotany, the study of fossil plants, also PALAEOBOTANIC. |
| PALAEOBOTANISTS | • palaeobotanists n. Plural of palaeobotanist. • PALAEOBOTANIST n. one who studies palaeobotany. |
| PERFLUOROCARBON | • perfluorocarbon n. (Organic chemistry) Any compound formally derived from a hydrocarbon by replacing each hydrogen atom… • PERFLUOROCARBON n. an organic compound in which much of the hydrogen has been replaced by fluorine. |
| POLYPHLOESBOEAN | • polyphloesboean adj. (Poetic) Loudly roaring; used to describe the ocean. • POLYPHLOESBOEAN adj. loud-roaring, also POLYPHLOISBIC. |
| PROSLAMBANOMENE | • PROSLAMBANOMENE plural of proslambanomenos, (which has sixteen letters), an additional note at the bottom of the scale. |
| RHOMBENCEPHALON | • rhombencephalon n. (Neuroanatomy) The hindbrain. • RHOMBENCEPHALON n. the hindbrain. |
| SUBPROFESSIONAL | • subprofessional adj. Not meeting the quality standards expected of a professional. • subprofessional n. A person working at less than professional level. • SUBPROFESSIONAL adj. functioning or qualified to function below the professional level but distinctly above the clerical or labor level and usually under the supervision of a professionally trained person. |
| UNCOMPANIONABLE | • uncompanionable adj. Aloof and standoffish. • uncompanionable adj. Disagreeable or boorish. • UNCOMPANIONABLE adj. not companionable. |
| UNCOMPROMISABLE | • uncompromisable adj. Not compromisable; that cannot be compromised; non-negotiable. • UNCOMPROMISABLE adj. not able to be compromised. |
| UNPRONOUNCEABLE | • unpronounceable adj. Impossible or difficult to pronounce or articulate. • unpronounceable n. Something difficult or impossible to pronounce. • UNPRONOUNCEABLE adj. not pronounceable. |