roll

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roll,

in aviation: see airfoilairfoil,
surface designed to develop a desired force by reaction with a fluid, especially air, that is flowing across the surface. For example, the fixed wing surfaces of an airplane produce lift, which opposes gravity.
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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/

roll

[rōl]
(geology)
A primary sedimentary structure produced by deformation involving subaqueous slump or vertical foundering.
(mechanics)
Rotational or oscillatory movement of an aircraft or similar body about a longitudinal axis through the body; it is called roll for any degree of such rotation.
(mechanical engineering)
A cylinder mounted in bearings; used for such functions as shaping, crushing, moving, or printing work passing by it.
(mining engineering)
(textiles)
A continuous strand made by rolling, rubbing, or twisting fibers.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

roll

1. A rounded strip fastened to, and running along, the ridge of a roof.
2. In a roof covered
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

roll

rollclick for a larger image
The motion of an aircraft about its longitudinal axis. The rolling motion is controlled primarily by ailerons.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved

roll

1. a cylinder used to flatten something; roller
2. a very rapid beating of the sticks on a drum
3. a flight manoeuvre in which an aircraft makes one complete rotation about its longitudinal axis without loss of height or change in direction
4. a throw of dice
5. a bookbinder's tool having a brass wheel, used to impress a line or repeated pattern on the cover of a book
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
The biggest impediment in the path of fast paced roll outs remains clearances of different hues.
Mobile VoIP and mobile video calling services are expected to develop significantly faster in developed markets because of the direct correlation between 3G and 4G roll outs and the take up of mobile VoIP and mobile video calling.
She said the cumulative capital investment related to the industry, over the past five years, amounted to approximately N$5.6 billion because telecommunication operators worked on infrastructure deployments, network roll outs, upgrades and expansions.
The downgrade also reflects CRISIL's belief that the company's revenues and profitability will not improve significantly over the medium-term as the telecommunication companies, to conserve capital and accelerate network roll-out, are likely to focus on increased sharing of passive infrastructure, thereby keeping the total tower roll outs at low level.
MORE AND MORE FURNITURE COMPAnies are introducing new products at the Las Vegas Market and while they may save a good share of product roll outs for High Point, there's still plenty of new product to go around.