Materials that allow shining elements to pass through them in a diffuse or in unclear results: Although translucency usually refers to visible brilliancy in common usage, it can actually refer to any type of radiation; for example, bodily flesh is transparent to X-rays, while the translucency of bones is not.

Although transparency usually refers to visible light in well-known phrases, it can also refer to anything that can be easily seen; for example, there is translucency of soft tissue with X-rays, while there are no translucencies with the humerus, collarbone, breastbone, etc.

Ted's new door had several glass panes; including, three that were translucencies which allowed brightness to filter through, but they didn't provide a clear view of what was outside.