| BOROHYDRIDES | • borohydrides n. Plural of borohydride. • BOROHYDRIDE n. a compound of boron and hydrogen, used as a reducing agent. |
| CARBOHYDRASE | • carbohydrase n. (Biochemistry) Any enzyme that catalyses the hydrolysis of polysaccharides into simple sugars. • CARBOHYDRASE n. any of a group of enzymes (as amylase) that promote hydrolysis or synthesis of a carbohydrate (as a disaccharide). |
| CRYOHYDRATES | • cryohydrates n. Plural of cryohydrate. • CRYOHYDRATE n. a crystalline substance containing water and a salt in definite proportions, a eutectic crystallizing below the freezing point of water. |
| CRYPTORCHIDS | • cryptorchids n. Plural of cryptorchid. • CRYPTORCHID n. a male human or animal in whom one or both testes fail to descend into the scrotum. |
| DYSMENORRHEA | • dysmenorrhea n. (Medicine) Painful menstruation (menstrual#Adjective pain), viewed as a symptom#Noun in any of various disorders. • dysmenorrhea n. (Medicine) Painful menstruation (menstrual#Adjective pain), viewed as a disorder#Noun in its own right… • DYSMENORRHEA n. painful menstruation, also DYSMENORRHOEA. |
| HORRENDOUSLY | • horrendously adv. In a horrendous manner. • HORRENDOUS adv. fearful; frightful. |
| HYDROCARBONS | • hydrocarbons n. Plural of hydrocarbon. • HYDROCARBON n. a compound of hydrogen and carbon with nothing else, occurring notably in oil, natural gas and coal. |
| HYDROMANCERS | • hydromancers n. Plural of hydromancer. • HYDROMANCER n. one who practises hydromancy. |
| HYDROMETEORS | • hydrometeors n. Plural of hydrometeor. • HYDROMETEOR n. a general term for the aqueous phenomena of the atmosphere, as rain, snow, sleet, hail. |
| HYDROMETRIES | • HYDROMETRY n. the art of determining the specific gravity of liquids, and thence the strength of spirituous liquors, saline solutions, etc. |
| HYDROSPHERES | • hydrospheres n. Plural of hydrosphere. • HYDROSPHERE n. the water of the earth. |
| HYDROSPHERIC | • hydrospheric adj. Relating to the hydrosphere. • HYDROSPHERIC adj. relating to the hydrosphere. |
| HYDROTROPISM | • hydrotropism n. (Biology) The movement of a plant (or other organism) in response to water, either towards or away from water. • HYDROTROPISM n. growth in the direction of water. |
| HYDROXYUREAS | • hydroxyureas n. Plural of hydroxyurea. • HYDROXYUREA n. a drug used to treat some forms of leukemia, melanoma, and malignant tumors. |
| HYPERIDROSES | • HYPERIDROSIS n. excessive sweating, also HYPERHIDROSIS. |
| HYPERIDROSIS | • HYPERIDROSIS n. excessive sweating, also HYPERHIDROSIS. |
| PARATHYROIDS | • parathyroids n. Plural of parathyroid. • PARATHYROID n. such a gland. |
| REHYDRATIONS | • rehydrations n. Plural of rehydration. • REHYDRATION n. the act of rehydrating. |
| WORDSMITHERY | • wordsmithery n. The work of a wordsmith; skilful use of words. • WORDSMITHERY n. the craft of the wordsmith. |