Columbia Encyclopedia

(Encyclopedia) di Stéfano, Alfredo, 1926–2014, Argentinian-born soccer star, one of the game's greats. Nominally a center-forward, he became famous for his versatility on the field as well as for his strength and...

(Encyclopedia) Mirandola, Giovanni Pico della: see Pico della Mirandola, Giovanni, Conte. ...

(Encyclopedia) crayon, any drawing material available in stick form. The term includes charcoal, conte crayon, chalk, pastel, grease crayon, litho crayon, and children's wax colors. The pigment is often bound with g...

(Encyclopedia) Verdi, Giuseppe vârˈdē, Ital. jo͞ozĕpˈpā vĕrˈdē [key], 1813–1901, foremost Italian composer of opera, b. Le Roncole. Verdi, the son of an innkeeper, showed a precocious talent for the orga...

(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...

(Encyclopedia) mole, in chemistry, a quantity of particles of any type equal to Avogadro's number, or 6.02×1023 particles. One gram-molecular weight of any molecular substance contains exactly one mole of molecules...

(Encyclopedia)  CE5 Guinea gĭnˈē [key], officially Republic of Guinea, republic (2015 est. pop. 12,092,000), 94,925 sq mi (245,856 sq km), W Africa. It is bounded on the north by Guinea-Bissau, Senegal, and Mal...

(Encyclopedia) molar volume, the volume occupied by a mole of a substance at STP. According to Avogadro's law, at a given temperature and pressure a given volume of any gas contains the same number of molecules. At ...

(Encyclopedia) Nernst, Walther Hermann välˈtər hĕrˈmän nĕrnst [key], 1864–1941, German physicist and chemist, a founder of modern physical chemistry. After doing outstanding research on osmotic pressure and...

(Encyclopedia) Giottino jōt-tēˈnō [key], early Florentine painter of the school of Giotto. He is supposed to have lived in the first half of the 14th cent. and has been variously identified as Giotto di Stefano,...