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ethyl
(Encyclopedia) ethylethylĕthˈəl [key], CH3CH2, organic free radical or alkyl group derived from ethane by removing one hydrogen atom.Focillon, Henri
(Encyclopedia) Focillon, HenriFocillon, HenriäNrēˈ fôsēyôNˈ [key], 1881–1943, French art historian. Focillon, who was professor of art history at the Collège de France, was an authority on medieval…benzine
(Encyclopedia) benzinebenzinebĕnˈzēn, bĕnzēnˈ [key], colorless, highly flammable liquid. It is used as a cleaning agent because it is a solvent for organic substances such as fats, oils, and resins…Perkin, Sir William Henry
(Encyclopedia) Perkin, Sir William Henry, 1838–1907, English chemist. In 1856 he discovered the first aniline dye (aniline purple, known as mauve and mauveine); by founding a factory to make it,…prosthetic group
(Encyclopedia) prosthetic group, non-amino acid portions of certain protein molecules. The key part of the prosthetic group may be either organic (such as a vitamin) or inorganic (such as a metal)…Pucci, Emilio
(Encyclopedia) Pucci, Emilio (Marchese Emilio Pucci di Barsento)Pucci, Emiliop&oomacr;ˈchē [key], 1914–92, Italian fashion designer. After establishing showrooms in Florence, Capri, and Rome, he…Grignard, Victor
(Encyclopedia) Grignard, VictorGrignard, Victorvēktôrˈ grēnyärˈ [key], 1871–1935, French chemist. He shared the 1912 Nobel Prize in Chemistry with Paul Sabatier for his work in organic synthesis…harvestman
(Encyclopedia) harvestman, arachnid, often called daddy longlegs because of its eight long, slender legs. The harvestman has a rounded or oval body possessing glands that give off an acrid scent. Its…Hinshelwood, Sir Cyril Norman
(Encyclopedia) Hinshelwood, Sir Cyril Norman, 1897–1967, British chemist, D.Sc. Oxford, 1924. In 1937 Hinshelwood became a professor at Oxford, where he remained until his retirement in 1964. He…manueline
(Encyclopedia) manuelinemanuelinemənwĕlˈēn, –īn [key], sumptuous, composite Portuguese style of architectural ornamentation of the early 16th cent. It combined contemporary Portuguese, Spanish,…Trending
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