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crayon
(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...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...Verdi, Giuseppe
(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...mole, in chemistry
(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...molar volume
(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 ...di Suvero, Mark
(Encyclopedia)di Suvero, Mark dē so͞oˈvərō [key], 1933–, American sculptor, b. Shanghai. Di Suvero's major works are constructions of massize pieces of steel, huge weathered timbers, tires, chains, and rope....Guinea, country, Africa
(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...Alfieri, Vittorio, Conte
(Encyclopedia)Alfieri, Vittorio, Conte vēt-tōˈrēō kōnˈtā älfyĕˈrē [key], 1749–1803, Italian tragic poet. A Piedmontese, born to wealth and social position, he spent his youth in dissipation and advent...Giorgio, Francesco di
(Encyclopedia)Giorgio, Francesco di (Francesco di Giorgio Martini) fränchāsˈkō dē jôrˈjō [key], 1439–1502, also called Francesco di Giorgio Martini, Italian engineer, architect, painter, and sculptor, b. ...Nernst, Walther Hermann
(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...Browse by Subject
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