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Chrysophyta

(Encyclopedia) ChrysophytaChrysophytakrəsŏfˈətə [key], phylum (division) of unicellular marine or freshwater organisms of the kingdom Protista consisting of the diatoms (class Bacillariophyceae), the…

East Sussex

(Encyclopedia) East Sussex, county, 693 sq mi (1,795 sq km), extreme SE England. It comprises five administrative districts: Eastbourne, Hastings,…

Finnish language

(Encyclopedia) Finnish language, also called Suomi, member of the Finnic group of the Finno-Ugric languages. These languages form a subdivision of the Uralic subfamily of the Ural-Altaic family of…

Brahmaputra

(Encyclopedia) BrahmaputraBrahmaputrabräməp&oomacr;ˈtrə [key] [Sanskrit,=son of Brahma], river, c.1,800 mi (2,900 km) long, rising in the Kailas range of the Himalayas, SW Tibet, China, and…

cellulose

(Encyclopedia) cellulose, chief constituent of the cell walls of plants. Chemically, it is a carbohydrate that is a high molecular weight polysaccharide. Raw cotton is composed of 91% pure cellulose…

series

(Encyclopedia) series, in mathematics, indicated sum of a sequence of terms. A series may be finite or infinite. A finite series contains a definite number of terms whose sum can be found by various…

pupa

(Encyclopedia) pupapupapy&oomacr;ˈpə [key], name for the third stage in the life of an insect that undergoes complete metamorphosis, i.e., develops from the egg through the larva and the pupa…

Equisetophyta

(Encyclopedia) EquisetophytaEquisetophytaĕkˌwəsətŏfˈətə [key], small division of the plant kingdom consisting of the plants commonly called horsetails and scouring rushes. Equisetum, the only living…

hydrolysis

(Encyclopedia) hydrolysishydrolysishīdrŏlˈĭsĭs [key], chemical reaction of a compound with water, usually resulting in the formation of one or more new compounds. The most common hydrolysis occurs…

diatom

(Encyclopedia) diatomdiatomdīˈətŏmˌ, –tōmˌ [key], unicellular organism of the kingdom Protista, characterized by a silica shell of often intricate and beautiful sculpturing. Most diatoms exist singly…