| HYPERSTHENE | • hypersthene n. (Mineralogy) An inosilicate that is an orthorhombic pyroxene. • HYPERSTHENE n. a rock-forming orthorhombic silicate of magnesium and ferrous iron. |
| HEMERYTHRINS | • hemerythrins n. Plural of hemerythrin. • HEMERYTHRIN n. an iron-containing respiratory pigment in the blood of various chiefly marine invertebrates. |
| HYMENOPHORES | • hymenophores n. Plural of hymenophore. • HYMENOPHORE n. the fruiting body of some basidiomycetous fungi. |
| HYPERSTHENES | • hypersthenes n. Plural of hypersthene. • HYPERSTHENE n. a rock-forming orthorhombic silicate of magnesium and ferrous iron. |
| HYPERSTHENIA | • hypersthenia n. (Pathology, archaic) A morbid condition marked by excessive excitement of all the vital phenomena. • HYPERSTHENIA n. a morbid condition marked by excessive excitement of all the vital phenomena. |
| HYPERSTHENIC | • hypersthenic adj. (Mineralogy) Composed of, or containing, hypersthene. • hypersthenic adj. Having or relating to hypersthenia. • hypersthenic n. A person who has hypersthenia. |
| HYPERSTHENIAS | • hypersthenias n. Plural of hypersthenia. • HYPERSTHENIA n. a morbid condition marked by excessive excitement of all the vital phenomena. |
| HYPERSTHENITE | • hypersthenite n. (Mineralogy) A more or less coarsely crystalline igneous rock, allied to gabbro; an aggregate of labradorite… • HYPERSTHENITE n. a pyroxenite composed almost wholly of hypersthene. |
| NYCHTHEMERONS | • nychthemerons n. Plural of nychthemeron. • NYCHTHEMERON n. (Greek) a full period of a day and night. |
| PHANEROPHYTES | • phanerophytes n. Plural of phanerophyte. • PHANEROPHYTE n. a perennial plant that bears its perennating buds well above the surface of the ground. |
| SYNCHROMESHES | • synchromeshes n. Plural of synchromesh. • SYNCHROMESH n. a synchromesh gear. |
| HYDRONEPHROSES | • hydronephroses n. Plural of hydronephrosis. • HYDRONEPHROSIS n. distension of the kidney with urine held up as a result of obstruction in the urinary tract. |
| HYPERSTHENITES | • hypersthenites n. Plural of hypersthenite. • HYPERSTHENITE n. a pyroxenite composed almost wholly of hypersthene. |
| HYPNOTHERAPIES | • hypnotherapies n. Plural of hypnotherapy. • HYPNOTHERAPY n. therapy involving the use of hypnotism. |
| HYPOMENORRHEAS | • hypomenorrheas n. Plural of hypomenorrhea. • HYPOMENORRHEA n. the condition in which the interval between two menstrual periods is increased to between 35 and 42 days, also HYPOMENORRHOEA. |
| PHENYLEPHRINES | • phenylephrines n. Plural of phenylephrine. • PHENYLEPHRINE n. an agent used in the form of its hydrochloride as a vasoconstrictor. |
| CHLOROETHYLENES | • chloroethylenes n. Plural of chloroethylene. • CHLOROETHYLENE n. vinyl chloride. |
| HYPOMENORRHOEAS | • hypomenorrhoeas n. Plural of hypomenorrhoea. • HYPOMENORRHOEA n. the condition in which the interval between two menstrual periods is increased to between 35 and 42 days, also HYPOMENORRHEA. |
| NEUROHYPOPHYSES | • neurohypophyses n. Plural of neurohypophysis. • NEUROHYPOPHYSIS n. the portion of the pituitary gland that is composed of the infundibulum and posterior lobe and is concerned with the secretion of various hormones. |
| PHENYLTHIOUREAS | • phenylthioureas n. Plural of phenylthiourea. • PHENYLTHIOUREA n. a crystalline compound used to test for the presence of a certain dominant gene (the compound tasting bitter to those who possess the gene). |