| BRACHISTOCHRONE | • brachistochrone n. (Mathematics) A cycloid; the curve of fastest descent between two points. • BRACHISTOCHRONE n. the curve along which a particle acted on by a force (e.g. gravity) will pass in the shortest time from one given point to another. |
| BRONCHOGRAPHIES | • BRONCHOGRAPHY n. radiological examination of the trachea or bronchi. |
| CHONDROPHORINES | • CHONDROPHORINE n. a member of the Chondrophora, a suborder of hydrozoans similar to medusae but with a different internal structure. |
| CHRONOTHERAPIES | • chronotherapies n. Plural of chronotherapy. • CHRONOTHERAPY n. a treatment that work in harmony with the body's natural time rhythms. |
| 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. |
| 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. |
| HETEROCHROMATIN | • heterochromatin n. (Cytology) Heterochromatic tightly coiled chromosome material; believed to be genetically inactive. • HETEROCHROMATIN n. densely staining chromatin that appears as nodules in or along chromosomes and contains relatively few genes. |
| HETEROCHRONISMS | • heterochronisms n. Plural of heterochronism. • HETEROCHRONISM n. divergence from the normal time sequence in development, also HETEROCHRONY. |
| 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. |
| PERCHLOROETHENE | • PERCHLOROETHENE n. a chlorine-carbon compound widely used for the dry cleaning of fabrics. |
| REPHOTOGRAPHING | • rephotographing v. Present participle of rephotograph. • REPHOTOGRAPH v. to photograph again. |
| 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. |
| TRICHLOROETHANE | • trichloroethane n. (Organic chemistry) Either of two isomeric halogenated hydrocarbons, CH3-CCl3 or CH2Cl-CHCl2, that are… • trichloroethane n. (Organic chemistry) Any of many derivatives of these compounds. • TRICHLOROETHANE n. a volatile nonflammable colourless liquid with low toxicity used for cleaning electrical apparatus and as a solvent. |
| UNCHOREOGRAPHED | • unchoreographed adj. Not choreographed. • UNCHOREOGRAPHED adj. not choreographed. |