| HALFPENNYWORTH | • halfpennyworth n. (Britain) As much as could be bought for a halfpenny (pre- or post-decimalisation). • halfpennyworth n. (Britain, informal) A negligible amount. • halfpennyworth n. (Britain, informal) One’s opinion or thoughts; one’s two cents. |
| HYPERALERTNESS | • hyperalertness n. The condition of being hyperalert. |
| HYPEREMOTIONAL | • hyperemotional adj. Involving or exhibiting excessive emotion. • HYPEREMOTIONAL adj. excessively emotional. |
| HYPERINFLATION | • hyperinflation n. (Economics) A very high rate of inflation. • HYPERINFLATION n. inflation growing at a very high rate in a very short time. |
| HYPERVENTILATE | • hyperventilate v. (Intransitive) To breathe quickly and deeply, especially at an abnormally rapid rate. • HYPERVENTILATE v. to breathe rapidly and deeply. |
| LITHONTHRYPTIC | • lithonthryptic adj. Alternative form of lithontriptic. • lithonthryptic n. Alternative form of lithontriptic. • LITHONTHRYPTIC n. a medicine for dissolving kidney stones, also LITHONTRIPTIC, LITHOTRIPTIC. |
| LYCANTHROPISTS | • lycanthropists n. Plural of lycanthropist. • LYCANTHROPIST n. a werewolf; a person suffering from lycanthropy, also LYCANTHROPE. |
| NEUROPATHOLOGY | • neuropathology n. Neural pathology: The pathology of the nervous system, usually and especially in the sense of its cytopathology… • NEUROPATHOLOGY n. pathology of the nervous system. |
| PHARYNGOLOGIST | • pharyngologist n. A student of pharyngology; one versed in the science of pharyngology. • PHARYNGOLOGIST n. a specialist in pharyngology, the study of the throat. |
| PHENYLTHIOUREA | • phenylthiourea n. Phenylthiocarbamide. • PHENYLTHIOUREA n. a crystalline compound used to test for the presence of a certain dominant gene (the compound tasting bitter to those who possess the gene). |
| PHYTOPLANKTERS | • phytoplankters n. Plural of phytoplankter. • PHYTOPLANKTER n. a planktonic plant. |
| PLATYRRHINIANS | • PLATYRRHINIAN n. someone with a short flat nose. |
| PLAYWRIGHTINGS | • PLAYWRIGHTING n. the writing of plays. |
| POLYHISTORIANS | • polyhistorians n. Plural of polyhistorian. • POLYHISTORIAN n. a person of great and varied learning, also POLYHISTOR. |
| PYELONEPHRITIC | • pyelonephritic adj. Relating to pyelonephritis. • PYELONEPHRITIC adj. relating to pyelonephritis, inflammation of both the kidney and its pelvis. |
| PYELONEPHRITIS | • pyelonephritis n. (Pathology) An ascending urinary tract infection of the renal pelvis. • PYELONEPHRITIS n. inflammation of both the kidney and its pelvis. |
| RADIOTELEPHONY | • radiotelephony n. The transmission of sound (in both directions) using modulated radio waves rather than wires. • radio␣telephony n. The transmission of speech using modulated radio waves. • RADIOTELEPHONY n. communication by radiotelephone. |
| TRIPHENYLAMINE | • triphenylamine n. (Chemistry) A tertiary amine whose derivatives have useful properties in electrical conductivity and… • TRIPHENYLAMINE n. a crystalline compound corresponding to ammonia with all the hydrogen replaced by phenyl. |