| ARCHPRIESTHOOD | • archpriesthood n. (Ecclesiastical) The office of an archpriest. • ARCHPRIESTHOOD n. the office of archpriest. |
| DIPHTHERITISES | • DIPHTHERITIS n. diphtheria. |
| DIPHTHONGISING | • diphthongising v. Present participle of diphthongise. • DIPHTHONGISE v. to make into a diphthong, also DIPHTHONGIZE. |
| HARPSICHORDIST | • harpsichordist n. One who plays the harpsichord. • HARPSICHORDIST n. one who plays the harpsichord. |
| HEADMASTERSHIP | • headmastership n. The role or position of headmaster. • HEADMASTERSHIP n. the office of headmaster. |
| HERMAPHRODITES | • hermaphrodites n. Plural of hermaphrodite. • HERMAPHRODITE n. a human being, animal or plant with the organs of both sexes. |
| HYDROSULPHATES | • hydrosulphates n. Plural of hydrosulphate. • HYDROSULPHATE n. any quaternary acid salt formed by addition of an organic base to sulphuric acid, such as aniline hydrosulphate. |
| HYDROSULPHITES | • hydrosulphites n. Plural of hydrosulphite. • HYDROSULPHITE n. a salt of hydrosulphurous acid; esp. the sodium salt, used as a reagent. |
| HYDROTHERAPIES | • hydrotherapies n. Plural of hydrotherapy. • HYDROTHERAPY n. therapy involving the use of water. |
| HYDROTHERAPIST | • hydrotherapist n. A therapist who performs hydrotherapy. • HYDROTHERAPIST n. a practitioner of hydrotherapy. |
| HYPOCHONDRIAST | • hypochondriast n. (Dated) A hypochondriac. • HYPOCHONDRIAST n. a hypochondriac. |
| HYPOTHYROIDISM | • hypothyroidism n. (Pathology) The disease state caused by insufficient production of thyroid hormone by the thyroid gland. • HYPOTHYROIDISM n. deficient activity of the thyroid gland. |
| ICHTHYOPSIDANS | • ICHTHYOPSIDAN n. a member of the Ichthyopsida, amphibians, fishes and fishlike vertebrates, also ICHTHYOPSID. |
| PHOSPHORYLATED | • phosphorylated v. Simple past tense and past participle of phosphorylate. • phosphorylated adj. (Chemistry) reacted or combined with phosphoric acid. • PHOSPHORYLATE v. to cause (an organic compound) to take up or combine with phosphoric acid or a phosphorus-containing group. |
| PODOPHTHALMOUS | • podophthalmous adj. (Zoology) Having the eyes on movable footstalks, or pedicels. • podophthalmous adj. (Zoology) Of or relating to the Podophthalmia. • PODOPHTHALMOUS adj. having eyes on stalks, like some crabs. |
| STADHOLDERSHIP | • stadholdership n. Alternative spelling of stadtholdership. • STADHOLDERSHIP n. the office of stadholder, a Dutch viceroy or provincial governor, also STADHOLDERATE, STADTHOLDERATE, STADTHOLDERSHIP. |