Alcoholism is a disease in which a person has an overwhelming desire to drink alcoholic beverages.
Aldehyde is an important class of organic chemical compounds.
Alder is the name given to about 30 types of shrubs and small trees found in northern temperate regions of the world.
Aleatory music is a type of music in which the composer provides only a general outline of the composition.
Aleutian Islands are a chain of volcanic islands that extend over 1,400 kilometres westward from the tip of the Alaska Peninsula.
Aleuts are people who have traditionally lived on the harsh, windswept Aleutian Islands, which lie off the mainland of Alaska.
Alewife is a member of the herring family.
Alexander technique is a system of instruction that aims to improve posture and physical movement in everyday life.
Alexander the Great (356-323 B.C.), was king of Macedonia and one of the greatest generals in history.
Alexander Turnbull Library is a research library in Wellington, on the North Island of New Zealand.
Alexandrian Library was the largest and most famous of the ancient collections of scrolls.
Alexandrite is a rare gem that has a high lustre.
Alfalfa is a valuable crop grown mainly for livestock feed.
Algae are simple organisms that live in oceans, lakes, rivers, ponds, and moist soil.
Algebra is one of the chief branches of mathematics.
Algol, also called Beta Persei, is the second brightest star in the constellation Perseus.
Algorithm is a step-by-step procedure for solving a mathematical problem in a limited number of steps.
Alhambra is a palace and fortress in Granada, Spain, built by the Moors between 1248 and 1354.
Ali ibn Abi Talib (598-661), a cousin of the Prophet Muhammad, became a central figure of Shiite Islam
Alien, in law, means a person who is not a citizen of the country in which he or she lives.
Alienation is the feeling of being isolated from certain aspects of one’s environment.
Alimentary canal is a long tube through which food is taken into the body and digested.
Alkali, in chemistry, refers to six chemical elements that are known as alkali metals: lithium, sodium, potassium, rubidium, caesium, and francium.
Alkaloid is any of a group of organic bases found in plants.
Alkalosis is a condition in which the body accumulates an excess of alkali, or loses more than the usual amount of acid.
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