When Trisha was writing her essay on weather, she remembered that her professor was English and would want her to spell grey the British way; as in, "today was a grey day".
Normally, she spelled it the U.S. way; such as, "it has been gray all day".
It is used on a camera to decrease the amount of light entering a camera when the lens cannot be stopped down sufficiently for use with a given film.2. A light-absorbing filter whose absorption spectrum is moderately flat.
Depending on the type, the absorption curve is flat primarily in the visible spectral range, or it may extend to varying degrees beyond the visible range.
For video microscopy, this is an important procedure since the absorbance may or may not extend into the near-infrared region where the sensitivity of many video image pickup devices is very high.
Each one consists of a white portion (white ramus communicans) composed of myelinated pregangionic sympathetic fibers and a gray portion (gray ramus communicans) composed of unmyelinated postganglionic fibers.