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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.

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.

roll

1. A rounded strip fastened to, and running along, the ridge of a roof.
2. In a roof covered

roll

rollclick for a larger image
The motion of an aircraft about its longitudinal axis. The rolling motion is controlled primarily by ailerons.

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
References in periodicals archive ?
LG's rollable TV is powered by an Alpha 9 Gen 2 processor, which brings a host of advanced features along with better picture and sound quality, compared to its 2018 predecessors.
"The Signature R OLED rollable TV from LG was a world-first and shows the potential for making tech less obtrusive in the home.
Caption: Kas: The new Hang Ten licensed line from Kas Rugs addressed its strong coastal business and included the Sunset Beach rug, an easily rollable design meant for use at the beach.
Finally, Ed runs down some of his favourite news products at the show, including Kodak's KashMiner (it mines BitCoins) and LG's new rollable screen.
LG Rollablw displays , it's time for rollable displays.
Although technology is moving toward lighter, flexible, foldable and rollable electronics, the existing circuits that power them are not built to flex freely and repeatedly self-repair cracks or breaks that can happen from normal wear and tear, Fars news agency reported.
In an effort to capture a larger share of the fastA[degrees]growing mobile accessories market, LG unveiled the industry's first solid rollable wireless portable keyboard at the consumer electronics fair IFA 2015 in Berlin last week.
After doing phaco, Main incision was extended to 2mm and hydrophilic rollable lens (3) was implanted in bag.
Unlike Indium Tin Oxide (ITO)-based films, SANTE Touch Films are flexible, thus increasing handleability and improving product design freedom by supporting curved, flexible and rollable touch displays.
These rollable, ballet-style flats are fashionable, come with a handy bag, are machine washable, and affordable.
Asked about the state's decades-long drought for such a center, Sreenivasan, a professor of mechanical engineering at UT-Austin, noted the steep competition for the grant and said that, with concepts such as rollable batteries moving closer to reality, he believed the national mood had finally shifted in a way that favors the strengths of UT-Austin's Cockrell School of Engineering.