| DIPHENHYDRAMINE | • diphenhydramine n. (Pharmacology) An antihistamine and anticholinergic drug that blocks the effect of histamine at H1 receptor… • DIPHENHYDRAMINE n. a type of antihistamine. |
| ENCEPHALOGRAPHY | • encephalography n. (Medicine) An X-ray examination of the brain in which air replaces some of the cerebrospinal fluid to… • ENCEPHALOGRAPHY n. radiography of the brain after the cerebrospinal fluid has been replaced by a gas (as air). |
| EPICHLOROHYDRIN | • epichlorohydrin n. (Chemistry) Any epihalohydrin in which the halogen is chlorine. • EPICHLOROHYDRIN n. a volatile liquid toxic epoxide used esp. in making epoxy resins and rubbers. |
| HALFPENNYWORTHS | • halfpennyworths n. Plural of halfpennyworth. • HALFPENNYWORTH n. as much as is sold for a halfpenny or is worth a halfpenny. |
| HEMATOPORPHYRIN | • hematoporphyrin n. (Biochemistry) The porphyrin portion of heme (minus the iron atom). • HEMATOPORPHYRIN n. any of several porphyrins that are hydrated derivatives of protoporphyrins. |
| HYPNOTHERAPISTS | • hypnotherapists n. Plural of hypnotherapist. • HYPNOTHERAPIST n. one who practises hypnotherapy. |
| HYPOCHONDRIASES | • hypochondriases n. Plural of hypochondriasis. • HYPOCHONDRIASIS n. morbid concern about one's health esp. when accompanied by delusions of physical disease. |
| HYPOMENORRHOEAS | • hypomenorrhoeas n. Plural of hypomenorrhoea. • HYPOMENORRHOEA n. the condition in which the interval between two menstrual periods is increased to between 35 and 42 days, also HYPOMENORRHEA. |
| NEUROHYPOPHYSES | • neurohypophyses n. Plural of neurohypophysis. • NEUROHYPOPHYSIS n. the portion of the pituitary gland that is composed of the infundibulum and posterior lobe and is concerned with the secretion of various hormones. |
| NEUROHYPOPHYSIS | • neurohypophysis n. (Anatomy) The posterior lobe of the pituitary gland, responsible for the release of oxytocin and antidiuretic… • NEUROHYPOPHYSIS n. the portion of the pituitary gland that is composed of the infundibulum and posterior lobe and is concerned with the secretion of various hormones. |
| PHENYLTHIOUREAS | • phenylthioureas n. Plural of phenylthiourea. • 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). |
| RHOMBENPORPHYRS | • RHOMBENPORPHYR n. an intermediate, moderately fine-grained igneous rock with feldspar phenocrysts rhombic in section, also RHOMBENPORPHYRY, RHOMBPORPHYRY. |
| RHOMBENPORPHYRY | • RHOMBENPORPHYRY n. an intermediate, moderately fine-grained igneous rock with feldspar inclusions, also RHOMBENPORPHYR, RHOMBPORPHYRY. |
| THREEPENNYWORTH | • threepennyworth n. (Dated) A portion worth threepence. • THREEPENNYWORTH n. goods to the value of threepence, also THREEPENCEWORTH. |