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Mirandola, Giovanni Pico della

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

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 ...

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...

Colonna, Vittoria, marchesa di Pescara

(Encyclopedia)Colonna, Vittoria, marchesa di Pescara vētôˈrēä kōlônˈnä märkāˈzä dē pāskäˈrä [key], 1492–1547, Italian poet; daughter of Fabrizio Colonna (see under Colonna). Her love for her hus...

Gattinara, Mercurino Arborio, marchese di

(Encyclopedia)Gattinara, Mercurino Arborio, marchese di mĕrco͞orēˈnō ärbôˈrēō märkĕˈza dē gätˌtēnäˈrä [key], 1465–1530, Italian statesman and jurist, cardinal of the Roman Catholic Church. Aft...

Nanni d'Antonio di Banco

(Encyclopedia)Nanni d'Antonio di Banco nänˈnē däntônˈyō dē bängˈkō [key], c.1384–1421, Florentine sculptor. After study with his father, Antonio di Banco, who worked on the cathedral of Florence, Nanni...