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sodium benzoate

(Encyclopedia)sodium benzoate or benzoate of soda, chemical compound, C6H5CO2Na, colorless or white crystalline, aromatic compound; the sodium salt of benzoic acid. It is soluble in water and is used as a preservat...

cyanogen

(Encyclopedia)cyanogen sīănˈəjən [key], NCCN, colorless, flammable, extremely poisonous gas with a characteristic odor somewhat like that of hydrogen cyanide. It melts at −35℃, boils at −21℃, and is so...

Merced

(Encyclopedia)Merced mərsĕdˈ [key], city (1990 pop. 56,216), seat of Merced co., central Calif.; inc. 1889. It is a growing city and a center for tourism and farm trade in a cotton, fruit, and dairy region. Pref...

Buchenwald

(Encyclopedia)Buchenwald bo͞oˈkhənvältˌ [key], village, Thuringia, S central Germany, in the Buchenwald forest, near Weimar. It was the site of a large concentration camp established by the National Socialist ...

Wiesel, Elie

(Encyclopedia)Wiesel, Elie, 1928–2016, American writer, writing in French, b. Sighet, Romania. In 1944 the Nazis imprisoned him and his family at Auschwitz, an extermination camp, where his mother and sister were...

Dehmelt, Hans Georg

(Encyclopedia)Dehmelt, Hans Georg häns gāˈôrkh dāˈməlt [key], 1922–2017, German-American physicist, b. Gorlitz, Germany, Ph.D. Univ. of Göttingen, 1950. A professor at the Univ. of Washington in Seattle, ...

Agre, Peter Courtland

(Encyclopedia)Agre, Peter Courtland, 1949–, American molecular biologist, b. Northfield, Minn., M.D. Johns Hopkins, 1974. From 1981 to 2005, Agre taught at Johns Hopkins in the departments of medicine and cell bi...

Tanaka, Koichi

(Encyclopedia)Tanaka, Koichi, 1959–, Japanese engineer, B.S. Tohoku Univ., 1983. He has been a researcher at Shimadzu Corporation in Kyoto, Japan, since 1983. Tanaka shared the 2002 Nobel Prize in Chemistry with ...

sulfonic acid

(Encyclopedia)sulfonic acid səlfŏnˈĭk [key], organic compound containing the functional group RSO2OH, which consists of a sulfur atom, S, bonded to a carbon atom that may be part of a large aliphatic or aromati...

carbon monoxide

(Encyclopedia)carbon monoxide, chemical compound, CO, a colorless, odorless, tasteless, extremely poisonous gas that is less dense than air under ordinary conditions. It is very slightly soluble in water and burns ...