General science

General science

A variety of science subjects concerning the fundamental knowledge about different aspects of our world and their underlying principles.

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General science

Sassafras

Science; General science

A medium-sized tree, Sassafras albidum , of the eastern United States, extending north as far as southern Maine. Sometimes it is only a shrub in the north, but from Pennsylvania southward heights ...

A medium-sized, weasellike, carnivorous mammal classified in the family Mustelidae along with weasels, mink, martens, wolverines, otters, and badgers. Fishers ( Martes pennanti ) occur only in North ...

Hackberry

Science; General science

A medium-sized to large tree, Celtis occidentalis , occasionally growing to 120 ft (36 m). It occurs in the eastern half of the United States, except the extreme south, and has corky or warty bark; ...

Sedative

Science; General science

A medication capable of producing a mild state of inhibition of the central nervous system (CNS) associated with reduced awareness of external stimuli. Numerous pharmacologic agents can induce ...

Translucent medium

Science; General science

A medium which transmits rays of light so diffused that objects cannot be seen distinctly; that is, the medium is only partially transparent. Familiar examples are various forms of glass which admit ...

Paracrinoidea

Science; General science

A medium-sized class of extinct blastozoan echinoderms containing about 17–19 genera, ranging from the late Early Ordovician to the Early Silurian throughout North America and in northern Europe. ...

Video disc

Science; General science

A medium used to record, distribute, and play video information. The video disc exists in three major forms: the Digital Video disc (DVD; sometimes also called the Digital Versatile Disk); the Laser ...