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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

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]
References in periodicals archive ?
Analysis of Resistance to Punching Shear of Beamless Reinforced Concrete Floor Slabs.
De Witte retired from the Department, reporting that he had been dismissed, and worked on theoretical physics and philosophy of science, while performing various cheap experiments to test his electron theory and also develop a new working process for a beamless ceasium clock.
WHEN Stewart and Sarah Billington moved into medieval Hen Wrych Hall near Abergele they were faced with blank walls, beamless ceilings and rooms without fireplaces.
Our sightseeing will take in Sun Yatsen's mausoleum, the tomb of the First Ming Emperor, the Beamless Hall which was used as a garrison by the Taiping military, the Yangtze River bridge and the museum of the Taiping Rebellion.
Both units have a unique beamless design which yields readabilities as fine as 0.1 mg with a fast response as low as 80 milliseconds.