| EARTHSHAKINGLY | • earthshakingly adv. In an earthshaking manner. • EARTHSHAKING adv. of great importance or consequence. |
| HYDROMECHANICS | • hydromechanics n. (Physics) fluid mechanics, especially when dealing with water. • HYDROMECHANICS n. the study of movement in liquids, also HYDRODYNAMICS. |
| 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. |
| HYPERSTHENITES | • hypersthenites n. Plural of hypersthenite. • HYPERSTHENITE n. a pyroxenite composed almost wholly of hypersthene. |
| HYPERTROPHYING | • hypertrophying v. Present participle of hypertrophy. • HYPERTROPHY v. to grow to abnormal size. |
| 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. |
| PHENYLEPHRINES | • phenylephrines n. Plural of phenylephrine. • PHENYLEPHRINE n. an agent used in the form of its hydrochloride as a vasoconstrictor. |
| PHENYLTHIOUREA | • phenylthiourea n. Phenylthiocarbamide. • 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). |
| 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. |
| UNTHRIFTYHEADS | • UNTHRIFTYHEAD n. (Spenser) unthriftiness, also UNTHRIFTYHED. |