| ANTHROPOPHYTES | • anthropophytes n. Plural of anthropophyte. • ANTHROPOPHYTE n. a plant introduced incidentally in the course of cultivation. |
| 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. |
| HYPNOBIRTHINGS | • HYPNOBIRTHING n. the use of hypnotic technique during labour by an expectant mother to reduce the pain and emotional stress of delivery. |
| HYPNOTHERAPIES | • hypnotherapies n. Plural of hypnotherapy. • HYPNOTHERAPY n. therapy involving the use of hypnotism. |
| HYPNOTHERAPIST | • hypnotherapist n. A practitioner of hypnotherapy. • HYPNOTHERAPIST n. one who practises hypnotherapy. |
| 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. |
| 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. |
| ICHTHYOSAURIAN | • ichthyosaurian adj. (Paleontology) Of or relating to the Ichthyosauria. • ichthyosaurian n. (Paleontology) Any of the Ichthyosauria; an ichthyosaur. • ICHTHYOSAURIAN n. a large fossil marine reptile, also ICHTHYOSAUR, ICHTHYOSAURUS. |
| 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. |
| PHONOCHEMISTRY | • PHONOCHEMISTRY n. the branch of chemistry concerned with the chemical effects of sound and ultrasonic waves. |
| PHYCOERYTHRINS | • phycoerythrins n. Plural of phycoerythrin. • PHYCOERYTHRIN n. any of the red protein pigments in the cells of red algae. |
| PHYSHARMONICAS | • PHYSHARMONICA n. an early form of harmonium. |
| RHYNCHOPHOROUS | • rhynchophorous adj. Belonging to genus Rhynchophorus. • RHYNCHOPHOROUS adj. of or belonging to the Rhynchophora; snouted. |
| RHYTHMISATIONS | • rhythmisations n. Plural of rhythmisation. • RHYTHMISATION n. the process of rhythmising, also RHYTHMIZATION. |
| RHYTHMIZATIONS | • rhythmizations n. Plural of rhythmization. • RHYTHMIZATION n. the process of rhythmizing, also RHYTHMISATION. |
| SYNCHROFLASHES | • SYNCHROFLASH n. a mechanism which synchronizes the opening of a camera shutter with the peak of brilliance of a flash bulb. |