| DYSPNOEA | • dyspnoea n. (British spelling) Alternative spelling of dyspnea. • dyspnœa n. Archaic spelling of dyspnea. • DYSPNOEA n. laboured breathing, also DYSPNEA. |
| HYPERONS | • hyperons n. Plural of hyperon. • HYPERON n. a class of atomic particle, any baryon that is not a neutron. |
| HYPNONES | • HYPNONE n. an aromatic ketone used as a hypnotic. |
| HYPNOSES | • hypnoses n. Plural of hypnosis. • HYPNOSIS n. an artificially induced state resembling sleep. |
| HYPONEAS | • HYPONEA n. a dulled mental activity, also HYPONOIA. |
| NECROPSY | • necropsy n. (Medicine) The pathological examination of a corpse, particularly to determine cause of death. • necropsy v. The act of performing a necropsy. • NECROPSY v. to perform an autopsy on. |
| NEOTYPES | • neotypes n. Plural of neotype. • NEOTYPE n. a specimen selected to serve as the nomenclatural type as long as the original material is missing. |
| PAYFONES | • PAYFONE n. a coin-operated public telephone, also PAYPHONE. |
| POESYING | • poesying v. Present participle of poesy. • POESY v. to utter poetry. |
| POLYENES | • polyenes n. Plural of polyene. • POLYENE n. a hydrocarbon with many carbon-carbon double bonds. |
| POYSONED | • poysoned v. Simple past tense and past participle of poyson. • POYSON v. (obsolete) to poison. |
| PROPYNES | • propynes n. Plural of propyne. • PROPYNE n. a gaseous methyl acetylene. |
| PYCNOSES | • pycnoses n. Plural of pycnosis. • PYCNOSIS n. a shrinking and thickening of a cell nucleus, also PYKNOSIS. |
| PYKNOSES | • pyknoses n. Plural of pyknosis. • PYKNOSIS n. a shrinking and thickening of a cell nucleus, also PYCNOSIS. |
| PYRANOSE | • pyranose n. (Chemistry) any cyclic hemiacetal form of a monosaccharide having a six-membered ring (based on tetrahydropyran). • PYRANOSE n. a sugar present in pyran. |
| PYROGENS | • pyrogens n. Plural of pyrogen. • PYROGEN n. a substance that produces fever. |
| SPOONEYS | • spooneys n. Plural of spooney. • SPOONEY n. one who is spooney. |
| SYNCOPES | • syncopes n. Plural of syncope. • syncopés n. Plural of syncopé. • SYNCOPE n. (Greek) a contraction of a word by omitting sounds from the middle. |
| SYNOPSES | • synopses n. Plural of synopsis. • SYNOPSIS n. a general view; a summary. |
| SYPHONED | • syphoned v. Simple past tense and past participle of syphon. • SYPHON v. to draw off through a tube, also SIPHON. |