| CHLOROPHYLLOID | • CHLOROPHYLLOID adj. of or like chlorophyll, also CHLOROPHYLLOUS. |
| HYDROCEPHALICS | • hydrocephalics n. Plural of hydrocephalic. • HYDROCEPHALIC n. one suffering from hydrocephaly. |
| HYDROCEPHALIES | • hydrocephalies n. Plural of hydrocephaly. • HYDROCEPHALY n. an accumulation of serous fluid within the cranial cavity, also HYDROCEPHALUS. |
| HYDROCEPHALOID | • hydrocephaloid adj. (Medicine) Resembling hydrocephalus. • HYDROCEPHALOID adj. suffering from hydrocephalus, an accumulation of serous fluid within the cranial cavity. |
| HYDROGRAPHICAL | • hydrographical adj. Hydrographic. • HYDROGRAPHICAL adj. relating to hydrography, the study of bodies of water, also HYDROGRAPHIC. |
| HYDRONEPHROSIS | • hydronephrosis n. (Pathology) distension of the kidneys due to obstruction in the flow of urine. • HYDRONEPHROSIS n. distension of the kidney with urine held up as a result of obstruction in the urinary tract. |
| HYDRONEPHROTIC | • hydronephrotic adj. Exhibiting hydronephrosis. • HYDRONEPHROTIC adj. relating to hydronephrosis, distension of the kidney with urine. |
| HYDROPHILICITY | • hydrophilicity n. (Uncountable) The condition of being hydrophilic. • hydrophilicity n. (Countable) A measure of the extent to which something is hydrophilic. • HYDROPHILICITY n. the state of being hydrophilic. |
| HYDROPHOBICITY | • hydrophobicity n. (Chemistry, uncountable) The condition of being hydrophobic. • hydrophobicity n. (Chemistry, countable) The degree to which a substance is hydrophobic. • HYDROPHOBICITY n. the state of being hydrophobic. |
| HYDROSULPHIDES | • hydrosulphides n. Plural of hydrosulphide. • HYDROSULPHIDE n. a compound formed by action of hydrogen sulphide on a hydroxide. |
| HYDROSULPHITES | • hydrosulphites n. Plural of hydrosulphite. • HYDROSULPHITE n. a salt of hydrosulphurous acid; esp. the sodium salt, used as a reagent. |
| HYDROSULPHURIC | • hydrosulphuric adj. Alternative spelling of hydrosulfuric. • HYDROSULPHURIC adj. formed by a combination of hydrogen and sulphur. |
| 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. |
| HYPOCHONDRIACS | • hypochondriacs n. Plural of hypochondriac. • HYPOCHONDRIAC n. one who suffers from hypochondria. |
| HYPOCHONDRIASM | • hypochondriasm n. Hypochondriasis. • HYPOCHONDRIASM n. hypochondria. |
| 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. |