viz
n.β Β«For divers, all that silt obscures almost everything. βI always say, gimme a foot of vizββvisibilityββand thatβs a great day,β says the NYPDβs John Drzal. βEven with a light, you can see just enough to gauge how much air you have left.βΒ» ββSecrets of the Deep” by Christopher Bonanos New York Magazine May 10, 2009. (source: Double-Tongued Dictionary)