| CHRONOTRONS | • CHRONOTRON n. a device for measuring very small time intervals. |
| HOLYSTONING | • holystoning v. Present participle of holystone. • HOLYSTONE v. to scrape a deck with holystone. |
| HONEYMONTHS | • honey-months n. Plural of honey-month. • HONEYMONTH v. (obsolete) to spend one's honeymoon, also HONEYMOON. |
| HOOTNANNIES | • hootnannies n. Plural of hootnanny. • HOOTNANNIE n. (US) a party with folksinging and sometimes dancing, also HOOTANANNIE, HOOTANANNY, HOOTENANNIE, HOOTENANNY, HOOTNANNY. |
| HORRISONANT | • horrisonant adj. Having an unpleasant sound. • HORRISONANT adj. dreadful-sounding, also HORRISONOUS. |
| HYPOTENSION | • hypotension n. (Pathology) The disease or disorder of abnormally low blood pressure. • HYPOTENSION n. abnormally low blood pressure. |
| INCHOATIONS | • inchoations n. Plural of inchoation. • INCHOATION n. the act of beginning. |
| INFANTHOODS | • infanthoods n. Plural of infanthood. • INFANTHOOD n. infancy. |
| NATIONHOODS | • nationhoods n. Plural of nationhood. • NATIONHOOD n. the state of being a nation. |
| NONHISTONES | • nonhistones n. Plural of nonhistone. |
| NONHOSPITAL | • nonhospital adj. Not in or relating to a hospital. • nonhospital n. An institution that is not a hospital. • NONHOSPITAL adj. not linked to a hospital. |
| SMOOTHENING | • smoothening v. Present participle of smoothen. • SMOOTHEN v. to free from lumps, also SMOOTH. |
| SPHENODONTS | • sphenodonts n. Plural of sphenodont. • SPHENODONT n. a member of the Sphenodont group of lizards, to which the tuatara belongs. |
| SYNCHROTRON | • synchrotron n. (Physics) A form of cyclotron in which charged particles are accelerated by an electric field that is… • SYNCHROTRON n. a type of very high-energy particle accelerator. |
| UNSMOOTHING | • unsmoothing v. Present participle of unsmooth. • UNSMOOTH v. to make not smooth. |