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A pure crystal, such as silicon, having the atomic structure of a single crystal, formed synthetically by rotating a small seed crystal while pulling it slowly out of molten material in a special furnace.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



(from the Greek word for council), in ancient Greece:

(1) In Homer’s narrative poems, the tribal council of nobles under the basileus.

(2) In the aristocratic and oligarchic poleis (until the beginning of the fifth century B.C.), the ruling council of the nobility or primarily wealthy citizens; membership was for life (the Gerousia in Sparta, the Areopagus in Athens, and others).

(3) In the democratic poleis, the supreme agency of executive power and state control, elected for a specific term; it prepared the agenda for the assembly. The boule at Athens was the best known. It was established by Solon in 594 B.C. and known as the council of400. It became the council of 500 under Cleisthenes (509 B.C.), and from 307 B.C. it was the council of 600. It was elected from the phylae, and from the middle of the fifth century B.C. members were chosen by lots. The boule was divided into ten committees, known as prytaneis, which operated on a rotation basis (each prytane performing its duties for a tenth of a year). From the fifth century B.C. the members of the boule (bouleutai)began to receive payment of one drachma a day.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


A plain-sawn log which has been reassembled in the original log form, but with spacers between adjacent slabs.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.


An ingot of silicon that has a single crystal orientation. Pronounced "bool." See wafer and transistor.
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References in periodicals archive ?
Among the statues of the Boula Matari, Leopold II has obviously been avoided!
"When Ronaldinho has a bad day he is hard to stop but Boula had him in his pocket.
One of Boula Boula's most farcical projects is to raise funds for an unsual project: a giant bust of the ruler, to be made of gold-plated fiberglass, is to be hoisted into space aboard a European or American spaceship.
SOUTH SHIELDS: Connell, Baxter, Adams, Shaw, Morse, Turnbull, Cogdon (Harmison), Briggs, Finnigan, Lowe, Mason (Gillies) Subs: Brown, Lough, Mouanda MICKLEOVER SPORTS : King, Ford, Burgin, Mills, Turner, Boula, Walsh, Phillips, Prusa, Jarman (Sodeinde), Garnett Subs: Clamp, Norcross, Warren
Daniel Justin Boula, speaking to reporters in Juba on Monday.
This year the event will see a guest French paddler, Johan Boula de Marevill.
Tourism minister Rhissa Ag Boula said that security forces in Niger had been employed for some time along the route "to avert any act of sabotage".
Police spokesman Brigadier Daniel Justin Boula told reporters on Tuesday that the public and particularly members of the Muslim community in the country should not worry about the security for the day.
Kennedy is the latest potential star to emerge from Ireland's pony racing circuit, an arena in which he registered a massive 221 winners, culminating in a hugely successful weekend on home soil in Dingle when his victory on Coola Boula in the 2014 Dingle Derby, proved the highlight of his seven winners at the two-day meeting.