A subtropical wetland in Florida, USA, with an endangered American Crocodile. In physical geography, a wetland is an environment "at the interface between truly terrestrial ecosystems and aquatic systems making them inherently different from each other...

Weakest Link, a television program

Windows Live

In physics, wavelength is the distance between repeating units of a propagating wave of a given frequency. It is commonly designated by the Greek letter lambda (λ). Examples of wave-like phenomena are light, water waves, and sound...

Wood's lamp

Wetting layer

Wanderlust (software), a communications package for Emacs that handles email and news.

Wehrmacht Luftwaffe (German WW2 air force vehicle licence plate code)