| lum | either side of the backbone between the hipbone and the ribs in humans as well as quadrupeds |
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| lum | a cavity or passage in a tubular organ |
| lum | a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions |
| lum | a long-acting barbiturate used as a sedative |
| lum | the quality of being luminous |
| lum | a measure of luminance |
| lum | a celebrity who is an inspiration to others |
| lum | be or become luminescent |
| lum | light from nonthermal sources |
| lum | light not due to incandescence |
| lum | emitting light not caused by heat |
| lum | the quality of being luminous |