| APOCYNTHION | • apocynthion n. (Astronomy) The point in an orbit around the Moon that is most distant from that body. • APOCYNTHION n. the point at which a spacecraft in lunar orbit is furthest from the moon. |
| ETHNOBOTANY | • ethnobotany n. (Botany, sociology) The scientific study of the relationships between people and plants. • ethnobotany n. (Pharmacology) The scientific study of traditional medicinal plants used by various ethnic groups. • ETHNOBOTANY n. the plant lore of indigenous cultures. |
| 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. |
| HONEYMOONED | • honeymooned v. Simple past tense and past participle of honeymoon. • HONEYMOON v. to go on honeymoon, also HONEYMONTH. |
| HONEYMOONER | • honeymooner n. A person currently on their honeymoon. • HONEYMOONER n. one who is on honeymoon. |
| HYPNOGENOUS | • hypnogenous adj. Inducing sleep. • hypnogenous adj. Inducing hypnosis. • HYPNOGENOUS adj. relating to the production of hypnotic sleep, also HYPNOGENETIC, HYPNOGENIC. |
| HYPOLIMNION | • hypolimnion n. (Geography) The perpetually cold layer of water that lies beneath the thermocline of a thermally stratified lake. • HYPOLIMNION n. a lower and colder layer of water in a lake. |
| HYPOTENSION | • hypotension n. (Pathology) The disease or disorder of abnormally low blood pressure. • HYPOTENSION n. abnormally low blood pressure. |
| ONYCHOMANCY | • onychomancy n. An ancient form of divination based on the reflections of sunlight on a boy’s fingernails. • ONYCHOMANCY n. divination by studying the fingernails. |
| PHONOTYPING | • PHONOTYPE v. to print in phonotype. |
| RHYNCHODONT | • RHYNCHODONT adj. having a toothed beak. |
| SYMPHONIONS | • symphonions n. Plural of symphonion. • SYMPHONION n. a combination of piano and harmonium. |
| SYNCHRONOUS | • synchronous adj. At the same time, at the same frequency. • synchronous adj. (Computing, of communication) Single-threaded; blocking; occurring in the same thread as other computations… • SYNCHRONOUS adj. happening at the same time. |
| 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. |