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Equisetophyta

(Encyclopedia)Equisetophyta ĕkˌwəsətŏfˈətə [key], small division of the plant kingdom consisting of the plants commonly called horsetails and scouring rushes. Equisetum, the only living genus in this divisi...

Dahl, Roald

(Encyclopedia)Dahl, Roald däl [key], 1916–90, British writer known for inventive, often macabre children's books and horror-tinged adult fiction. Dahl spurned a university education in favor of world travel, jo...

near-death experience

(Encyclopedia)near-death experience, phenomenon reported by some people who have been clinically dead, then returned to life. Descriptions of the experience differ slightly in detail from person to person, but usua...

Wolseley, Garnet Joseph Wolseley, 1st Viscount

(Encyclopedia)Wolseley, Garnet Joseph Wolseley, 1st Viscount wo͝olzˈlē [key], 1833–1913, British field marshal. He fought in Burma (present-day Myanmar; 1852–53), the Crimea (1854–56), India (1857–58), a...

mucopolysaccharide

(Encyclopedia)mucopolysaccharide myo͞oˌkəpŏlēsăkˈərīd [key], class of polysaccharide molecules, also known as glycosaminoglycans, composed of amino-sugars chemically linked into repeating units that give a...

raccoon

(Encyclopedia)raccoon, nocturnal New World mammal of the genus Procyon. The common raccoon of North America, Procyon lotor, also called coon, is found from S Canada to South America, except in parts of the Rocky Mt...

nitrate

(Encyclopedia)nitrate, chemical compound containing the nitrate (NO3) radical. Nitrates are salts or esters of nitric acid, HNO3, formed by replacing the hydrogen with a metal (e.g., sodium or potassium) or a radic...

Wodehouse, P. G.

(Encyclopedia)Wodehouse, P. G. (Sir Pelham Grenville Wodehouse) wo͝odˈhousˌ [key], 1881–1975, English-American novelist and humorist. After a short period, first working at a bank and then writing for a London...

stomach

(Encyclopedia)stomach, saclike dilation in the gastrointestinal tract between the esophagus and the intestines, forming an organ of digestion. The stomach is present in virtually all vertebrate animals and in many ...

algebra

(Encyclopedia)algebra, branch of mathematics concerned with operations on sets of numbers or other elements that are often represented by symbols. Algebra is a generalization of arithmetic and gains much of its pow...