| AMPHISTYLARS | • AMPHISTYLAR n. a temple having a set of columns at both ends or at both sides. |
| BRACHYPRISMS | • BRACHYPRISM n. a prism parallel to the brachydiagonal. |
| HYPERBOLISMS | • hyperbolisms n. Plural of hyperbolism. • HYPERBOLISM n. use of hyperbole. |
| HYPERMNESIAS | • hypermnesias n. Plural of hypermnesia. • HYPERMNESIA n. abnormally vivid or complete memory or recall of the past. |
| HYPERSOMNIAS | • hypersomnias n. Plural of hypersomnia. • HYPERSOMNIA n. a pathological tendency to sleep excessively. |
| HYPOCORISMAS | • HYPOCORISMA n. the use of a pet name or nickname, also HYPOCORISM. |
| HYPODERMISES | • hypodermises n. Plural of hypodermis. • HYPODERMIS n. the layer of skin just below the epidermis, also HYPODERM. |
| HYPSOMETRIES | • HYPSOMETRY n. the art of measuring the heights of places on the earth's surface. |
| HYPSOMETRIST | • HYPSOMETRIST n. a practitioner of hypsometry, the measuring the heights of places on the earth's surface. |
| MACROPHYSICS | • macrophysics n. (Physics) The branch of physics that deals with those phenomena that can be directly observed. • MACROPHYSICS n. the branch of physics concerned with macroscopic systems and objects. |
| MICROPHYSICS | • microphysics n. (Physics) That branch of physics that deals with objects smaller than a molecule. • MICROPHYSICS n. the physics of molecules, atoms, and elementary particles. |
| MYOGRAPHISTS | • MYOGRAPHIST n. one who operates a myograph. |
| PARAPSYCHISM | • PARAPSYCHISM n. panpsychistic parallelism. |
| POLYCHROISMS | • POLYCHROISM n. the state of being polychroic. |
| SAPROPHYTISM | • saprophytism n. The condition of being saprophytic. • SAPROPHYTISM n. being a saprophyte. |
| SEISMOGRAPHY | • seismography n. The measurement and recording of earthquakes and other ground vibrations. • seismography n. The study of these records, seismology. • SEISMOGRAPHY n. measurement by use of the seismograph. |
| SYMPATHISERS | • sympathisers n. Plural of sympathiser. • SYMPATHISER n. one who sympathises, also SYMPATHIZER. |
| SYMPATHIZERS | • sympathizers n. Plural of sympathizer. • SYMPATHIZER n. one who sympathizes, also SYMPATHISER. |
| SYMPOSIARCHS | • symposiarchs n. Plural of symposiarch. • SYMPOSIARCH n. the master, director, etc. of a feast or conference. |
| XEROPHYTISMS | • XEROPHYTISM n. being a xerophyte. |