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herbarium

(Encyclopedia)herbarium, collection of dried and mounted plant specimens used in systematic botany. To preserve their form and color, plants collected in the field are spread flat in sheets of newsprint and dried, ...

land tax

(Encyclopedia)land tax, impost levied upon real property. It is sometimes called a real estate tax, especially when assessed against both improved and unimproved land. Probably the earliest direct tax and formerly ...

species

(Encyclopedia)species, in biology, a category of classification, the original and still the basic unit in the demarcation of plant and animal types. The species marks the boundary between populations of organisms r...

Agassiz, Louis

(Encyclopedia)Agassiz, Louis (Jean Louis Rodolphe Agassiz) ăgˈəsē [key], 1807–73, Swiss-American zoologist and geologist, b. Môtiers-en-Vuly, Switzerland. He studied at the universities of Zürich, Erlangen ...

Brahman cattle

(Encyclopedia)Brahman cattle, breed of beef cattle developed in the S United States in the early 1900s by combining several breeds or strains of zebu cattle of India. Brahman cattle have a very distinctive appearan...

Streisand, Barbra

(Encyclopedia)Streisand, Barbra, 1942–, American singer and actress, b. New York City. Streisand first gained a relatively small but select audience singing in New York City cabarets, and she received her first w...

Avicenna

(Encyclopedia)Avicenna ăvĭsĕnˈə [key], Arabic Ibn Sina, 980–1037, Islamic philosopher and physician, of Persian origin, b. near Bukhara. He was the most renowned philosopher of medieval Islam and the most in...

Afrikaans

(Encyclopedia)Afrikaans ăfˌrəkänsˈ [key], member of the West Germanic group of the Germanic subfamily of the Indo-European family of languages (see Germanic languages). Although its classification is still dis...

epilepsy

(Encyclopedia)epilepsy, a chronic disorder of cerebral function characterized by periodic convulsive seizures. There are many conditions that have epileptic seizures. Sudden discharge of excess electrical activity,...

Southeast Asian languages

(Encyclopedia)Southeast Asian languages, family of languages, sometimes also called Austroasiatic, spoken in SE Asia by about 80 million people. According to one school of thought, it has three subfamilies: the Mon...