Bladder infections are caused by bacteria in the bladder. Escherichia coli (E. coli) is usually the bacteria that causes a bladder infection. Bladders normally have a small amount of bacteria in them and urinating helps flush out the bacteria, but sometimes the bacteria grows so fast it causes a bladder infection.
aspect ratio. n. 1. The width-to-height ratio of an image or of the area used to display an image. Most widescreen televisions have an aspect ratio of 16:9. 2. The span-to-mean-chord ratio of an airfoil. aspect ratio.
1 1.55:1 (14:9) : Widescreen aspect ratio sometimes used in shooting commercials etc. as a compromise format between 4:3 (12:9) and 16:9. 2  When converted to a 16:9 frame, there is slight pillarboxing, while conversion to 4:3 creates slight letterboxing.