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Broch, Hermann

(Encyclopedia)Broch, Hermann hĕrˈmän brôkh [key], 1886–1951, Austrian novelist. Broch is one of the masters of European modernism. Influenced by Immanuel Kant and Ludwig Wittgenstein, Karl Kraus, and the Vien...

Wurtz, Charles Adolphe

(Encyclopedia)Wurtz, Charles Adolphe shärl ädôlfˈ vürts [key], 1817–84, French chemist. He was professor at the Sorbonne (1852–75), at the Faculty of Medicine, Paris (1853–75), and at the Faculty of Scie...

Bluntschli, Johann Kaspar

(Encyclopedia)Bluntschli, Johann Kaspar yōˈhän käsˈpär blo͝onchˈlē [key], 1808–81, Swiss jurist and political scientist. Trained at the Univ. of Berlin, he taught law at Zürich, Munich, and Heidelberg. ...

mercurous chloride

(Encyclopedia)mercurous chloride, mercury (I) chloride, or calomel, chemical compound, Hg2Cl2, a white crystalline powder, very slightly soluble in water. It was once used medicinally as a purgative, cathartic, li...

bromide

(Encyclopedia)bromide, any of a group of compounds that contain bromine and a more electropositive element or radical. Bromides are formed by the reaction of bromine or a bromide with another substance; they are wi...

molecule

(Encyclopedia)molecule mŏlˈəkyo͞ol [key] [New Lat.,=little mass], smallest particle of a compound that has all the chemical properties of that compound. A single atom is usually not referred to as a molecule, a...

ligand

(Encyclopedia)ligand lĭgˈənd [key], charged or uncharged molecule with one or more unshared pairs of electrons that can attach to a central metallic atom or ion to form an aggregate known as a complex ion (see c...

sulfa drug

(Encyclopedia)sulfa drug, any of a class of synthetic chemical substances derived from sulfanilamide, or para-aminobenzenesulfonamide. Sulfa drugs are used to treat bacterial infections, although they have largely ...

Noguchi, Isamu

(Encyclopedia)Noguchi, Isamu ēsäˈmo͞o nōgo͞oˈchē [key], 1904–88, American sculptor, b. Los Angeles. The son of a Japanese poet father and an American mother, he was a student of Gutzon Borglum and won Gug...

leucine

(Encyclopedia)CE5 leucine lo͞oˈsēn [key], organic compund, one of the 20 amino acids commonly found in animal proteins. Only the l-stereooisomer appears in mammalian protein. It is one of several essential am...