Syringomyelia (SM) is a disease in which there is a syrinx, or cyst, in the spinal cord. The syrinx is filled with cerebrospinal fluid (CSF). Due to normal activities like coughing and straining, SM cavities can slowly become larger over a period of time, often years.
Freebase(0.00 / 0 votes)Rate this definition: Darien. Darien is a town in Fairfield County, Connecticut, United States. A relatively small community on Connecticut's Gold Coast, the population was 20,732 at the 2010 census. Darien was listed at #9 on CNN Money's list of top-earning towns in the United States as of 2011.
The ratio of the width to the height of an image is known as the aspect ratio, or more precisely the Display Aspect Ratio (DAR) â the aspect ratio of the image as displayed; for TV, DAR was traditionally 4:3 (a.k.a. Fullscreen), with 16:9 (a.k.a. Widescreen) now the standard for HDTV.