cushion

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cushion

1. the resilient felt-covered rim of a billiard table
2. short for air cushion
3. a capital, used in Byzantine, Romanesque, and Norman architecture, in the form of a bowl with a square top
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

cushion

[′ku̇sh·ən]
(petroleum engineering)
A volume of water, drilling fluid, or compressed gas injected into the drill pipe or tubing to control both annular and formation pressures.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

cushion

1. A convex element resembling a pad.
2. A corbel for roofing, a padstone.
3. Padding, as around glass, to reduce the effects of vibration and abrasion.
4. A piece of timber acting as a cushion or buffer to resist or receive the force of another part of the framing; a cushion piece.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
They sat on a variety of wheelchair cushions, with Roho (ROHO Inc; Belleville, Illinois) products being the most common (n = 11), along with Jay (Sunrise Medical; Fresno, California) (n = 5), Varilite (Cascade Designs, Inc; Seattle, Washington) (n = 4), Ride (Ride Designs; Littleton, Colorado) (n = 3), Matrx (Invacare Corporation; Elyria, Ohio) (n = 2), and other products (n = 2).
Of course, many other considerations are important in the ultimate selection of the wheelchair cushion, including its effect on posture and other properties that help to reduce the risk of deep tissue injury.
The strap-based wheelchair is a new method to provide a custom seating interface and results in a different, firmer feel than other wheelchair cushions. Common wheelchair activities, such as wheeling or transferring, did not negatively affect pressure distributions.
Seating pressures with conventional and dynamic wheelchair cushions in tetraplegia.
Medicare-reimbursable, the Air Flow Wheelchair Cushion is user- and caregiver-friendly.
Influence of the "hammock effect" in wheelchair cushion cover on mechanical loading over the ischial tuberosity in an artificial buttocks model.
The Air Flow[R] Wheelchair Cushion features adjustable air chambers that provide customized comfort, femur channels to improve body positioning and stability, and a soft synthetic sheepskin cover to promote dryness.
Tamarack researchers discovered, however, that a wheelchair cushion that does not reflect human anatomy in its surface contouring will result in maximum pressure on high-risk areas.
The key is a set of computerized algorithms he devised that enables an overlay the size of a wheelchair cushion to adjust to resident motion.
The presence of an IP mat will affect the IP measured between a buttocks model and wheelchair cushion.
Specifically designed to help relieve and speed the healing of coccyx pressure sores, the Air Flow Wheelchair Cushion elevates the tailbone; this reportedly reduces pressure and provides comfortable seating.