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milk of magnesia
(Encyclopedia) milk of magnesia, common name for the chemical compound magnesium hydroxide, Mg(OH)2. The viscous, white, mildly alkaline mixture that is used medicinally as an antacid and laxative is…microscope
(Encyclopedia) CE5 Compound microscope microscope, optical instrument used to increase the apparent size of an object. The electron microscope, which is not limited by the powers of optical…peroxide
(Encyclopedia) peroxideperoxidepərŏkˈsīd [key], chemical compound containing two oxygen atoms, each of which is bonded to the other and to a radical or some element other than oxygen; e.g., in…tetraethyl lead
(Encyclopedia) tetraethyl leadtetraethyl leadtĕtˌrəĕthˈəl [key], (C2H5)4Pb, viscous, colorless, poisonous liquid. It is an organometallic compound prepared by reacting ethyl chloride with a sodium-…photochemistry
(Encyclopedia) photochemistry, study of chemical processes that are accompanied by or catalyzed by the emission or absorption of visible light or ultraviolet radiation. A molecule in its ground (…vulcanization
(Encyclopedia) vulcanizationvulcanizationvŭlˌkənəzāˈshən [key], treatment of rubber to give it certain qualities, e.g., strength, elasticity, and resistance to solvents, and to render it impervious…Prussian blue
(Encyclopedia) Prussian blue, pigment widely used for laundry bluing, in dyeing compounds, and in the manufacture of inks and paints. Several varieties are known, one of which consists of the…Zhupanovsky
(Encyclopedia) Zhupanovsky, compound volcano, 9,705 ft (2,958 m), on the Kamchatka peninsula, Kamchatka Territory, Russia, c.40 mi (65 km) N of Petropavlovsk. Zhupanovsky consists of four…mustard gas
(Encyclopedia) mustard gas, chemical compound used as a poison gas in World War I. The burning sensation it causes on contact with the skin is similar to that caused by oil from black mustard seeds.…amino group
(Encyclopedia) amino group, in chemistry, functional group that consists of a nitrogen atom attached by single bonds to hydrogen atoms, alkyl groups, aryl groups, or a combination of these three. An…Trending
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