| CATHODOGRAPHS | • cathodographs n. Plural of cathodograph. • CATHODOGRAPH n. a photograph created using X-rays. |
| DIPHTHONGISED | • diphthongised v. Simple past tense and past participle of diphthongise. • DIPHTHONGISE v. to make into a diphthong, also DIPHTHONGIZE. |
| DIPHTHONGISES | • diphthongises v. Third-person singular simple present indicative form of diphthongise. • DIPHTHONGISE v. to make into a diphthong, also DIPHTHONGIZE. |
| DIPHTHONGIZES | • diphthongizes v. Third-person singular simple present indicative form of diphthongize. • DIPHTHONGIZE v. to make into a diphthong, also DIPHTHONGISE. |
| HISTIOPHOROID | • HISTIOPHOROID adj. related to a genus of swordfish. |
| HYDROPATHISTS | • hydropathists n. Plural of hydropathist. • HYDROPATHIST n. one who treats with hydropathy. |
| HYDROPHILITES | • hydrophilites n. Plural of hydrophilite. • HYDROPHILITE n. native calcium chloride. |
| HYDROSULPHATE | • hydrosulphate n. Alternative form of hydrosulfate. • HYDROSULPHATE n. any quaternary acid salt formed by addition of an organic base to sulphuric acid, such as aniline hydrosulphate. |
| HYDROSULPHITE | • hydrosulphite n. Alternative spelling of hydrosulfite. • HYDROSULPHITE n. a salt of hydrosulphurous acid; esp. the sodium salt, used as a reagent. |
| HYPERTHYROIDS | • HYPERTHYROID n. one affected with hyperthyroidism. |
| HYPOTROCHOIDS | • hypotrochoids n. Plural of hypotrochoid. • HYPOTROCHOID n. the curve traced by a point on the radius, or radius produced, of a circle rolling within another circle. |
| ICHTHYOPSIDAN | • ICHTHYOPSIDAN n. a member of the Ichthyopsida, amphibians, fishes and fishlike vertebrates, also ICHTHYOPSID. |
| PHOSPHATIDYLS | • phosphatidyls n. Plural of phosphatidyl. • PHOSPHATIDYL n. any of several monovalent groups that are derived from phosphatidic acids. |
| PHOSPHORETTED | • PHOSPHORETTED adj. combined with phosphorus, also PHOSPHURETTED. |
| PHOSPHURETTED | • phosphuretted adj. Alternative spelling of phosphureted. • PHOSPHURETTED adj. combined with phosphorus, also PHOSPHORETTED. |
| PHOTOCATHODES | • photocathodes n. Plural of photocathode. • PHOTOCATHODE n. a cathode that emits electrons when exposed to radiant energy and esp. light. |