| B-mode | brightness modulation |
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| Lv | brightness or luminance |
| brightness | <microscopy> The brightness of an extended luminous source is termed the intensity per unit area measured in candles per cm exp2. Also, the intensity of reflection, it may be measured in lamberts, one lambert equals 1 lumen/cm exp2. (05 Aug 1998) |
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| brightness difference threshold | The smallest difference that can be perceived as a difference in brightness. Synonym: light difference. (05 Mar 2000) |
| brightness gain |
The increase in the intensity of a fluoroscopic image by the use of an image intensifier.
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| brightness | the location of a visual perception along the black-to-white continuum |
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| brightness | the quality of being luminous |
| brightness | intelligence as manifested in being quick and witty |
| brightness | the tendency for a visual object to be perceived as having the same brightness under widely different conditions of illumination |
| brightness | the quality of being luminous |
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