| ACHLAMYDEOUS | • achlamydeous adj. (Botany) having no perianth. • ACHLAMYDEOUS adj. without a perianth. |
| BREATHALYSED | • breathalysed v. Simple past tense and past participle of breathalyse, an alternative spelling of breathalyze. • BREATHALYSE v. to use a device which measures the amount of alcohol on a person's breath, also BREATHALYZE. |
| 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). |
| DECAHYDRATES | • decahydrates n. Plural of decahydrate. • DECAHYDRATE n. a compound containing ten molecules of water of crystallization. |
| DYSAESTHESIA | • dysaesthesia n. Alternative spelling of dysesthesia. • dysæsthesia n. Obsolete spelling of dysesthesia. • DYSAESTHESIA n. loss of sensation. |
| GLASSYHEADED | • glassyheaded adj. (Rare) Bald, smooth-headed. • GLASSYHEADED adj. (Tennyson) with a shiny bald head. |
| HABERDASHERY | • haberdashery n. Ribbons, buttons, thread, needles and similar sewing goods sold in a haberdasher’s shop. • haberdashery n. A shop selling such goods. • haberdashery n. A shop selling clothing and accessories for men, including hats. |
| HEADMASTERLY | • headmasterly adj. In a manner befitting a headmaster. • HEADMASTERLY adj. like a headmaster. |
| HEXAHYDRATES | • hexahydrates n. Plural of hexahydrate. • HEXAHYDRATE n. a chemical compound with six molecules of water. |
| HYDRALAZINES | • hydralazines n. Plural of hydralazine. • HYDRALAZINE n. a vasodilator used in the form of its hydrochloride to treat hypertension. |
| HYDROMASSAGE | • hydromassage n. A therapeutic massage in which bubbles of air and jets of water are pumped through a bath in which the recipient lies. • hydromassage v. (Transitive) To massage in this way. |
| HYPNOPAEDIAS | • HYPNOPAEDIA n. training or instruction during sleep. |
| HYRACOIDEANS | • HYRACOIDEAN n. any member of a genus of mammals including the daman and the dassie or hyrax, also HYRACOID. |
| PACHYDERMIAS | • PACHYDERMIA n. elephantiasis. |
| PARALDEHYDES | • paraldehydes n. Plural of paraldehyde. • PARALDEHYDE n. a sleep-inducing drug. |
| SHAMEFACEDLY | • shamefacedly adv. In a shamefaced manner. • SHAMEFACED adv. showing modesty, also SHAMEFAST. |