Aaron Burr
(1756–1836)US Democratic Republican statesman. After losing the presidential election to Jefferson in 1800, Burr was elected Vice-President. He was defeated in the contest for the governorship of New ...
abacus
An ancient device for performing arithmetic calculations by sliding beads along rods or in grooves. Despite the spread of electronic calculators and computers, the abacus is still widely used in the ...
abduction
An inference process widely used in artificial intelligence, particularly in expert systems and rule-based systems. In diagnosis, for example, there may be a rule like “if measles then red spots” so ...
Abkhaz-Adyghe Languages
Also called Northwest Caucasian or West Caucasian languages. They are spoken primarily in the northwestern Caucasus, though there are also sizable emigrant communities in Turkey and the Middle ...
abortion
There is no actual prohibition in the Bible against aborting a foetus. Nevertheless, in the unanimously accepted Jewish consensus, abortion is a very serious offence, though foeticide is not treated ...
Abraham Lincoln
(1809–65)US Republican statesman, 16th President of the USA (1861–65). His election as President on an anti‐slavery platform antipathetic to the interests of the southern states helped precipitate ...
academies
Are societies or institutions for the cultivation and promotion of literature, the arts or science, or of some particular branch of science such as medicine, for example, the Académie de ...
Acanthus
(family Acanthaceae)A genus of shrubs and perennial herbs, most of which are xeromorphic and have spiny leaves. Some species are cultivated as ornamentals. The upper lip of the corolla is lacking. ...
Ache-Chamic Languages
A branch of Western Malayo-Polynesian. They are spoken in Sumatra, Indonesia, Vietnam, Cambodia, Thailand, and China.LANGUAGE LISTAceh: also called Atjeh, Atjehnese, Achinese, Achehnese. 3,000,000 ...