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Rulers of the Roman Empire (table)

(Encyclopedia)Rulers of the Roman Empire(including dates of reign) Emperors in the East(until the fall of Rome; see table entitled Rulers of the Byzantine Empireat Byzantine Empire for later emperors) Empero...

gender

(Encyclopedia)gender [Lat. genus=kind], in grammar, subclassification of nouns or nounlike words in which the members of the subclass have characteristic features of agreement with other words. The term gender is n...

Boussingault, Jean Baptiste Joseph Dieudonné

(Encyclopedia)Boussingault, Jean Baptiste Joseph Dieudonné zhäN bätēstˈ zhôzĕfˈ dyödônāˈ bo͞osăNgōˈ [key], 1802–87, French agricultural chemist. He was professor of chemistry at Lyons and later pr...

prophylaxis

(Encyclopedia)prophylaxis prōˌfĭlăkˈsĭs [key], measures designed to prevent the occurrence of disease or its dissemination. Some examples of prophylaxis are immunization against serious diseases such as small...

Anatolian languages

(Encyclopedia)Anatolian languages ănˌətōˈlēən [key], subfamily of the Indo-European family of languages (see The Indo-European Family of Languages, tableIndo-European, table); the term “Anatolian languages...

European Union

(Encyclopedia)European Union (EU), name given since the ratification (Nov., 1993) of the Treaty of European Union, or Maastricht Treaty, to the European Community (EC), an economic and political confederation of Eu...

Indo-European Family of Languages, The (table)

(Encyclopedia)The Indo-European Family of Languages * Asterisk indicates a dead language. ...

balance

(Encyclopedia)balance, instrument used in laboratories and pharmacies to measure the mass or weight of a body. A balance functions by measuring the force of gravity that the earth exerts on an object, i.e., its wei...

fatty acid

(Encyclopedia)fatty acid, any of the organic carboxylic acids present in fats and oils as esters of glycerol. Molecular weights of fatty acids vary over a wide range. The carbon skeleton of any fatty acid is unbran...

measure

(Encyclopedia)measure, in music, a metrical unit having a given number of beats, the first of which normally is accented, although the accent may be displaced by syncopation. Measures are separated on the staff by ...