Phrases with «optical density»

Optical density refers to how much light is absorbed or blocked by a material or substance. It tells us about the ability of that material to prevent light from passing through it. The higher the optical density, the more light is blocked or absorbed. Full definition

Sentences with «optical density»

  • I am continually amazed at the lack of discussion of obvious things, like the growing optical density of the global nitrous oxide haze, and the tendency of jet contrails to bloom into clouds, that visibly reduce the light energy arriving at the Earth's surface. (dotearth.blogs.nytimes.com)
  • Bacterial cell counting can be determined by optical density at 600 nm, which indicates the growth phase for harvesting the cells. (selectscience.net)
  • Another study showed that the consumption of 2 - 4 egg yolks per day for a 5 - week duration had benefits for macular health in older adults with low macular pigment optical density, increasing their HDL cholesterol and without increasing their LDL (bad) cholesterol. (fitnessandpower.com)
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