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top,

toy with a tapering point on which it can be made to spin. Tops were known in antiquity and appeared in Europe during the Middle Ages; they are used today in many different regions of the world by both primitive and advanced societies. The principle of its motion is utilized in the gyroscopegyroscope
, symmetrical mass, usually a wheel, mounted so that it can spin about an axis in any direction. When spinning, the gyroscope has special properties. Many spinning objects exhibit some of these properties; the rotation of the earth about its axis gives it the
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.
The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/

top

[täp]
(geology)
(mechanics)
A rigid body, one point of which is held fixed in an inertial reference frame, and which usually has an axis of symmetry passing through this point; its motion is usually studied when it is spinning rapidly about the axis of symmetry.
(particle physics)
The new quantum number associated with the top quark. Also known as truth.
(quantum mechanics)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

top

1. short for top gear
2. Cards the highest card of a suit in a player's hand
3. a platform around the head of a lower mast of a sailing vessel, the edges of which serve to extend the topmast shrouds
4. Chem the part of a volatile liquid mixture that distils first
5. the high-frequency content of an audio signal
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

TOP

This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

TOP

(Technical Office Protocol) A communications protocol for office systems developed in the early 1980s by the Computer Services division of Boeing in Seattle, WA. It is often used in conjunction with MAP, the factory automation protocol developed by GM. TOP is used in the front office, and MAP is used on the factory floor. TOP uses the CSMA/CD access method (Ethernet), while MAP uses token bus.
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References in periodicals archive ?
New York City leads the list of top 40 for office deliveries in 2019 with 46 projects currently underway that will add 16 million square feet to the market, followed by the Bay Area in second place, with 37 projects and a total of 10 million square feet of new office space.
Hyundai Motor Company (KSE: 000270), a South Korea-based automaker, has maintained its position in the top 40 global brands for the third consecutive year, according to the latest rankings published by global brand specialists, Interbrand.
The Technology Association of Georgia (TAG), the state's leading association dedicated to the promotion and economic advancement of Georgia's technology industry, has named Techstars company LaaSer Critical Communications as one of its Top 40 Innovative Technology companies in Georgia, LaaSer said.
Voting for the top 40 finalists will be open from the entrants' appearance in paper and will close at 9am on Tuesday 13th September (Supplement 1 entrants) or 9am on Wednesday 14th September 2016 (Supplement 2 entrants).
The Future Breakers initiative, part of the Vodafone Big Top 40 partnership with Global, offers Luna Rae the chance to record and produce their single 'Running for You' with industry professionals, and have the live session broadcast online with the Vodafone Big Top 40.
The Technology Association of Georgia, an association dedicated to the promotion and economic advancement of Georgia's technology industry, has recognised ACS, a provider of smart grid solutions and advanced automation technology to the global electric power industry, as one of its Top 40 Innovative Technology Companies in Georgia.
Top 40 tribute to bridge crash band VIOLA Beach have entered the Official Top 40 as fans pay tribute to the band who were tragically killed along with their manager at the weekend.
DAVID Bowie has matched Elvis Presley's dazzling chart record with 12 albums in the top 40.
DAVID Bowie's Blackstar has rocketed into number one as mourning fans helped the late singer secure a quarter of the spots in the UK Top 40 album chart.
The Top 40 list is a compilation by Research Infosource to emphasize the very important role that hospitals play in Canadian medical research.