| CHLOROHYDRINS | • chlorohydrins n. Plural of chlorohydrin. • CHLOROHYDRIN n. any of various organic compounds derived from diols or polyhydroxy alcohols by substitution of chlorine for part of the hydroxyl groups. |
| CHONDRICHTHYANS | • chondrichthyans n. Plural of chondrichthyan. • CHONDRICHTHYAN n. a technical name for a cartilaginous fish. |
| HORNYHEADS | • hornyheads n. Plural of hornyhead. • HORNYHEAD n. a North American river chub. |
| HYDROMECHANICS | • hydromechanics n. (Physics) fluid mechanics, especially when dealing with water. • HYDROMECHANICS n. the study of movement in liquids, also HYDRODYNAMICS. |
| 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. |
| 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. |
| HYDROPHANES | • hydrophanes n. Plural of hydrophane. • HYDROPHANE n. a semitranslucent variety of opal that becomes translucent or transparent on immersion in water. |
| HYDROPHANOUS | • hydrophanous adj. (Mineralogy) Made transparent by immersion in water. • HYDROPHANOUS adj. becoming transparent when placed in water. |
| HYDROPHONES | • hydrophones n. Plural of hydrophone. • HYDROPHONE n. an apparatus for listening to sounds conveyed by water. |
| HYDROPHYTONS | • HYDROPHYTON n. the coenosarc of a hydroid colony. |
| HYPOCHONDRIACS | • hypochondriacs n. Plural of hypochondriac. • HYPOCHONDRIAC n. one who suffers from hypochondria. |
| HYPOCHONDRIAS | • hypochondrias n. Plural of hypochondria. • HYPOCHONDRIA n. suffering from imaginary illness. |
| HYPOCHONDRIASES | • hypochondriases n. Plural of hypochondriasis. • HYPOCHONDRIASIS n. morbid concern about one's health esp. when accompanied by delusions of physical disease. |
| HYPOCHONDRIASIS | • hypochondriasis n. (Medicine) A mental disorder characterized by excessive fear of or preoccupation with a serious illness… • HYPOCHONDRIASIS n. morbid concern about one's health esp. when accompanied by delusions of physical disease. |
| HYPOCHONDRIASM | • hypochondriasm n. Hypochondriasis. • HYPOCHONDRIASM n. hypochondria. |
| HYPOCHONDRIASMS | • HYPOCHONDRIASM n. hypochondria. |
| HYPOCHONDRIAST | • hypochondriast n. (Dated) A hypochondriac. • HYPOCHONDRIAST n. a hypochondriac. |
| HYPOCHONDRIASTS | • hypochondriasts n. Plural of hypochondriast. • HYPOCHONDRIAST n. a hypochondriac. |
| ODONTORHYNCHOUS | • ODONTORHYNCHOUS adj. of birds, having toothlike ridges inside the beak. |
| ORTHOHYDROGENS | • orthohydrogens n. Plural of orthohydrogen. • ORTHOHYDROGEN n. the form of molecular hydrogen, constituting about 75 per cent of the total at normal temperatures, in which the nuclei of the atoms spin in the same direction. |