| luminance |
The intensity of light in a color. Color QuickDraw uses a color's luminance to convert the color to an appropriate grayscale color.
출처: developer.apple.com/documentation/mac/QuickDraw/Qu...
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| lumen |
An empirical measure of the quantity of light. It is based upon the spectral sensitivity of the photosensors in the human eye under high (daytime) light levels. Photometrically it is the luminous flux emitted with a solid angle (1 steradian) by a point source having a uniform luminous intensity of 1 candela.
출처: www.eia.doe.gov/glossary/glossary_l.htm
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| lumbar puncture |
procedure where a hollow needle is inserted into the spinal area (near the base) in order to measure/relieve pressure or withdraw CSF for testing
출처: www.conquerchiari.org/Glossary.htm
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| lumina |
The use of actual light as an art medium.
출처: www.ackland.org/tours/classes/glossary.html
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| lumbar puncture |
Spinal tap. Needle penetration into the subarachnoid space of the lumbar spine. Used to withdraw a sample of spinal fluid for examination. Also used to inject a dye into the spine prior to a myelogram.
출처: arabinfo.org/montogomery/Terms.htm
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