beam

(redirected from beamy)
Also found in: Dictionary, Thesaurus, Encyclopedia.

BEAM

 
brain electric activity map; trademark name for a map of brainwave activity derived from a computerized enhancement of electroencephalographic records.

beam

 [bēm]
a unidirectional, or approximately unidirectional, emission of electromagnetic radiation or particles.
useful beam in radiology, that part of the primary radiation that is permitted to emerge from the tubehead assembly of an x-ray machine, as limited by the aperture or port and accessory collimating devices.
beam splitter a device that reflects light from the output phosphor of an image intensifier to a photographic recording. Called also image distributor.

beam

(bēm),
1. Any bar the curvature of which changes under load; in dentistry, frequently used instead of "bar."
2. A collimated emission of light or other radiation, such as an x-ray beam.
[O.H.G. Boum]

beam

Etymology: ME, beem, tree
1 a bedframe fitting for pulleys and weights, used in the treatment of patients requiring weight traction. See Balkan traction frame.
2 (in radiology) the primary beam of radiation emitted from the x-ray tube.

BEAM

[bēm, bē′ē′ā′em′]
abbreviation for brain electric activity map.

beam

Drug slang
A regional synonym for cocaine.
 
Radiation oncology
A focused stream of particles or electromagnetic radiation which is focused in a single direction or body region as part of a therapeutic regimen.

BEAM

Abbreviation for:
BCNU, etoposide, cytarabine, melphalan (a chemotherapy regimen)
Biomedical Equipment Assessment & Management (Medspeak-UK)
brain electrical activity mapping

beam

(bēm)
1. Any bar with a curvature that changes under load.
2. dentistry Synonym(s): bar (2) .
3. A collimated emission of light or other radiation, such as an x-ray beam.
[O.H.G. Boum]

beam

(bēm)
1. Any bar the curvature of which changes under load; in dentistry, frequently used instead of "bar."
2. A collimated emission of light or other radiation.
[O.H.G. Boum]

beam,

n a stream or approximately unidirectional emission of electromagnetic radiation or particles.
beam, central,
n the center of the beam of roentgen rays emitted from the tube.
beam, useful,
n the part of the primary radiation that passes through the aperture, cone, or other collimator.

beam

a unidirectional emission of electromagnetic radiation. See also x-ray.

external beam therapy
radiotherapy in which the source is at a distance from the patient, e.g. orthovoltage, cesium-137, cobalt-60 or linear accelerator.
beam limitation
restriction of the divergent beam as it appears from the tube window by a lead plate or cone or a light beam diaphragm located at the window.
primary beam
the radiation beam as it passes through the window of the x-ray tube and before it is modified by extra-tube devices.
References in periodicals archive ?
From the early days in 1998 when canting keels were used, then the outrageously beamy boats that capsized for Tony Bullimore and others, to the controversial foils, innovation has always been the watchword--and has allowed leading design houses such as VPLP and Farr to develop radical ideas.
Winners were: Star-living, Dasso, Nature, Shenzhen Kingforest, Jinqiao Flooring, Zhejiang Shiyou, Zhejiang Yuhua, CiambellaLegnami, Beamy International and Zhejiang Yongyu for wood sector; WeihaiShanhua, WeihaiHaima, Suzhou Duolaiyun, Wuxi Fuxing, Zhejiang Xingyue; Beijing U-Living, Nantong HomedecWeiya, LowandBonar and Smart for carpet sector; Gerflor, Novalis, Armstrong, Tarkett, New Tech, Changzhou Liberty, Flooring Industries, National Flagship, Zhejiang Sunflower and Guangzhou Tongxin for resilient flooring.
As outboard power increased over the last 20 years, the beamy, 30-and 40-foot inboard sportfishers gave way to leaner center console hulls.
By simply removing a couple of cushions at the beamy bow, you create"rumble seats," which give bow riders a thrilling front-of-the-rollercoaster, feet-on-the-deck experience.
But the beamy atmosphere in the chamber of this tomb is beautiful.
The impression was like wearing headphones, and while it was very good it also suggested that these speakers might not be the most flexible around, probably because the curved stators are very beamy.
And we liked rustic, beamy national park architecture.
The angular lines that packages these beamy German cruisers into shapely yachts continues on the 455, as does Hanse's signature low-profile topside silhouette and clean decks, where all lines are in gutters.
95, Gap; black trousers, PS11, pack of two, Debenhams Dylan wears: SchoolRock shoes, PS30, Clarks Kids; white shirt, PS10, pack of two, burgundy V-neck, PS6, black trousers, PS11, pack of two, all Debenhams Caitlin wears: Beamy Dream shoes, from PS25, Clarks Kids; white shirt, PS14.
Recently I joined a Broward County crew aboard a beamy center console outfitted to the gills for swordfishing and other bluewater pursuits.
At 9 feet, 8 inches wide, the 286CC is incredibly beamy and a very stable platform, even when we cut the power and were drifting beam-to the waves.