| BATHYSCAPHES | • bathyscaphes n. Plural of bathyscaphe. • BATHYSCAPHE n. a submersible observation chamber, also BATHYSCAPH. |
| BATHYSPHERES | • bathyspheres n. Plural of bathysphere. • BATHYSPHERE n. a submersible observation chamber. |
| DYSRHYTHMIAS | • dysrhythmias n. Plural of dysrhythmia, which can refer to types of dysrhythmia, cases of dysrhythmia, or episodes of dysrhythmia. • DYSRHYTHMIA n. an abnormal rhythm. |
| HALOPHYTISMS | • HALOPHYTISM n. the state of being a halophyte. |
| HYGROCHASIES | • HYGROCHASY n. dehiscence on moistening. |
| HYLOPATHISMS | • HYLOPATHISM n. belief in ability of matter to affect the spiritual world. |
| HYLOPATHISTS | • hylopathists n. Plural of hylopathist. • HYLOPATHIST n. a believer in the capability of matter to affect spirit. |
| HYPAESTHESIA | • HYPAESTHESIA n. a reduced sensibility to touch, also HYPESTHESIA. |
| HYPAESTHESIC | • HYPAESTHESIC adj. suffering from hypaesthesia, a reduced sensibility to touch. |
| HYPESTHESIAS | • hypesthesias n. Plural of hypesthesia. • HYPESTHESIA n. a reduced sensibility to touch, also HYPAESTHESIA. |
| HYPOSTHENIAS | • HYPOSTHENIA n. lack of strength. |
| HYPSOPHOBIAS | • HYPSOPHOBIA n. a fear of falling from high places. |
| ICHTHYOSAURS | • ichthyosaurs n. Plural of ichthyosaur. • ICHTHYOSAUR n. a large fossil marine reptile, also ICHTHYOSAURIAN, ICHTHYOSAURUS. |
| PSYCHOGRAPHS | • psychographs n. Plural of psychograph. • psychographs v. Third-person singular simple present indicative form of psychograph. • PSYCHOGRAPH n. a photographic image attributed to a supernatural or spiritualistic cause. |
| SHILLYSHALLY | • shilly-shally v. To procrastinate. • shilly-shally v. To vacillate. • shilly-shally adj. Indecisive; wavering. |
| SYCOPHANTISH | • sycophantish adj. (Archaic) sycophantic. • SYCOPHANTISH adj. like a sycophant. |
| SYNCHROFLASH | • synchroflash n. (Photography, chiefly attributive) synchronization of the flash and shutter of a camera. • SYNCHROFLASH n. a mechanism which synchronizes the opening of a camera shutter with the peak of brilliance of a flash bulb. |
| TACHYPHASIAS | • TACHYPHASIA n. abnormally rapid or voluble speech, also TACHYPHRASIA. |