Noun; The randomized text entry that is required in the process of proving authenticity on a web page, usually displayed in a text box containing some or all of the following elements:
erratic lines
disproportionate letter sizes
diffusing visuals
animated images
randomized elements
numerical values
audio playback
erratic lines
disproportionate letter sizes
diffusing visuals
animated images
randomized elements
numerical values
audio playback
by Mallius February 17, 2010