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cladistics

(Encyclopedia)cladistics fīˌlōjənĕtˈĭk [key], an approach to the classification of living things in which organisms are defined and grouped by the possession of one or more shared characteristics (called cha...

Pygmy

(Encyclopedia)Pygmy or Pigmy both: pĭgˈmē [key], term used for dark-skinned people who live in equatorial rain forests and average less than 59 in. (150 cm) in height. Some studies make a distinction between Neg...

oils

(Encyclopedia)oils, term commonly used to indicate a variety of greasy, fluid substances that are, in general, viscous liquids at ordinary temperatures, less dense than water, insoluble in water but soluble in alco...

spectral class

(Encyclopedia)CE5 spectral class, in astronomy, a classification of the stars by their spectrum and luminosity. In 1885, E. C. Pickering began the first extensive attempt to classify the stars spectroscopically....

hunger strike

(Encyclopedia)hunger strike, refusal to eat as a protest against existing conditions. Although most often used by prisoners, others have also employed it. For example, Mohandas Gandhi in India and César Chávez in...

Lamarck, Jean Baptiste Pierre Antoine de Monet, chevalier de

(Encyclopedia)Lamarck, Jean Baptiste Pierre Antoine de Monet, chevalier de zhäN bätēstˈ pyĕr äNtwänˈdə mônāˈ, shəvälyāˈ də lämärkˈ [key], 1744–1829, French naturalist. He is noted for his stud...

Hippocrates

(Encyclopedia)Hippocrates hĭpŏkˈrətēz [key], c.460–c.370 b.c., Greek physician, recognized as the father of medicine. He is believed to have been born on the island of Cos, to have studied under his father, ...

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...

distribution

(Encyclopedia)distribution, in economics, the allocation of a society's total wealth among various economic groups. Distribution, in that sense, does not refer to the physical marketing or circulation of goods, whi...

Turkic

(Encyclopedia)Turkic tûrˈkĭk [key], group of languages forming a subdivision of the Altaic subfamily of the Ural-Altaic family of languages (see Uralic and Altaic languages). The Turkic group of languages has a ...